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If Only You Weren't the One

本命じゃなきゃよかったのに ‧ Drama ‧ 2026
Onuma Mihono works at a travel agency. After breaking up with her boyfriend of six years, someone she had been thinking about marriage with, she realizes she is already 30. Then, a man transfers into Mihono’s company. It is Ureshino Eisei, the “accomplice” with whom, despite both of them having lovers at the time, she had a physical relationship 10 years ago. Mihono is shaken when Eisei speaks to her with a cool expression, but she resolves to treat him normally. However, when they are alone together, Eisei whispers in the same sweet voice as back then. “Don’t you feel like we’re destined?” The pleasure and desire that revive with their reunion. And yet, even after 10 years, she still cannot grasp his true feelings. Am I the one he truly loves? Or am I just for fun? Even as adults, unable to break free, she sinks deeper into a secret relationship.
Recommended by 73n5h1k015h173
Onuma Mihono works at a travel agency. After breaking up with her boyfriend of six years, someone she had been thinking about marriage with, she realizes she is already 30. Then, a man transfers into Mihono’s company. It is Ureshino Eisei, the “accomplice” with whom, despite both of them having lovers at the time, she had a physical relationship 10 years ago. Mihono is shaken when Eisei speaks to her with a cool expression, but she resolves to treat him normally. However, when they are alone together, Eisei whispers in the same sweet voice as back then. “Don’t you feel like we’re destined?” The pleasure and desire that revive with their reunion. And yet, even after 10 years, she still cannot grasp his true feelings. Am I the one he truly loves? Or am I just for fun? Even as adults, unable to break free, she sinks deeper into a secret relationship.
Recommended by 73n5h1k015h173
Onuma Mihono works at a travel agency. After breaking up with her boyfriend of six years, someone she had been thinking about marriage with, she realizes she is already 30. Then, a man transfers into Mihono’s company. It is Ureshino Eisei, the “accomplice” with whom, despite both of them having lovers at the time, she had a physical relationship 10 years ago. Mihono is shaken when Eisei speaks to her with a cool expression, but she resolves to treat him normally. However, when they are alone together, Eisei whispers in the same sweet voice as back then. “Don’t you feel like we’re destined?” The pleasure and desire that revive with their reunion. And yet, even after 10 years, she still cannot grasp his true feelings. Am I the one he truly loves? Or am I just for fun? Even as adults, unable to break free, she sinks deeper into a secret relationship.
Recommended by 73n5h1k015h173
Onuma Mihono works at a travel agency. After breaking up with her boyfriend of six years, someone she had been thinking about marriage with, she realizes she is already 30. Then, a man transfers into Mihono’s company. It is Ureshino Eisei, the “accomplice” with whom, despite both of them having lovers at the time, she had a physical relationship 10 years ago. Mihono is shaken when Eisei speaks to her with a cool expression, but she resolves to treat him normally. However, when they are alone together, Eisei whispers in the same sweet voice as back then. “Don’t you feel like we’re destined?” The pleasure and desire that revive with their reunion. And yet, even after 10 years, she still cannot grasp his true feelings. Am I the one he truly loves? Or am I just for fun? Even as adults, unable to break free, she sinks deeper into a secret relationship.
Recommended by 73n5h1k015h173
Onuma Mihono works at a travel agency. After breaking up with her boyfriend of six years, someone she had been thinking about marriage with, she realizes she is already 30.

Then, a man transfers into Mihono’s company. It is Ureshino Eisei, the “accomplice” with whom, despite both of them having lovers at the time, she had a physical relationship 10 years ago. Mihono is shaken when Eisei speaks to her with a cool expression, but she resolves to treat him normally. However, when they are alone together, Eisei whispers in the same sweet voice as back then.

“Don’t you feel like we’re destined?”

The pleasure and desire that revive with their reunion. And yet, even after 10 years, she still cannot grasp his true feelings. Am I the one he truly loves? Or am I just for fun? Even as adults, unable to break free, she sinks deeper into a secret relationship.
Recommended by 73n5h1k015h173
Onuma Mihono works at a travel agency. After breaking up with her boyfriend of six years, someone she had been thinking about marriage with, she realizes she is already 30. Then, a man transfers into Mihono’s company. It is Ureshino Eisei, the “accomplice” with whom, despite both of them having lovers at the time, she had a physical relationship 10 years ago. Mihono is shaken when Eisei speaks to her with a cool expression, but she resolves to treat him normally. However, when they are alone together, Eisei whispers in the same sweet voice as back then. “Don’t you feel like we’re destined?” The pleasure and desire that revive with their reunion. And yet, even after 10 years, she still cannot grasp his true feelings. Am I the one he truly loves? Or am I just for fun? Even as adults, unable to break free, she sinks deeper into a secret relationship.
Recommended by 73n5h1k015h173
Onuma Mihono works at a travel agency. After breaking up with her boyfriend of six years, someone she had been thinking about marriage with, she realizes she is already 30.

Then, a man transfers into Mihono’s company. It is Ureshino Eisei, the “accomplice” with whom, despite both of them having lovers at the time, she had a physical relationship 10 years ago. Mihono is shaken when Eisei speaks to her with a cool expression, but she resolves to treat him normally. However, when they are alone together, Eisei whispers in the same sweet voice as back then.

“Don’t you feel like we’re destined?”

The pleasure and desire that revive with their reunion. And yet, even after 10 years, she still cannot grasp his true feelings. Am I the one he truly loves? Or am I just for fun? Even as adults, unable to break free, she sinks deeper into a secret relationship.
Recommended by 73n5h1k015h173
Onuma Mihono works at a travel agency. After breaking up with her boyfriend of six years, someone she had been thinking about marriage with, she realizes she is already 30. Then, a man transfers into Mihono’s company. It is Ureshino Eisei, the “accomplice” with whom, despite both of them having lovers at the time, she had a physical relationship 10 years ago. Mihono is shaken when Eisei speaks to her with a cool expression, but she resolves to treat him normally. However, when they are alone together, Eisei whispers in the same sweet voice as back then. “Don’t you feel like we’re destined?” The pleasure and desire that revive with their reunion. And yet, even after 10 years, she still cannot grasp his true feelings. Am I the one he truly loves? Or am I just for fun? Even as adults, unable to break free, she sinks deeper into a secret relationship.
Recommended by 73n5h1k015h173
Onuma Mihono works at a travel agency. After breaking up with her boyfriend of six years, someone she had been thinking about marriage with, she realizes she is already 30.

Then, a man transfers into Mihono’s company. It is Ureshino Eisei, the “accomplice” with whom, despite both of them having lovers at the time, she had a physical relationship 10 years ago. Mihono is shaken when Eisei speaks to her with a cool expression, but she resolves to treat him normally. However, when they are alone together, Eisei whispers in the same sweet voice as back then.

“Don’t you feel like we’re destined?”

The pleasure and desire that revive with their reunion. And yet, even after 10 years, she still cannot grasp his true feelings. Am I the one he truly loves? Or am I just for fun? Even as adults, unable to break free, she sinks deeper into a secret relationship.
Recommended by 73n5h1k015h173
Onuma Mihono works at a travel agency. After breaking up with her boyfriend of six years, someone she had been thinking about marriage with, she realizes she is already 30. Then, a man transfers into Mihono’s company. It is Ureshino Eisei, the “accomplice” with whom, despite both of them having lovers at the time, she had a physical relationship 10 years ago. Mihono is shaken when Eisei speaks to her with a cool expression, but she resolves to treat him normally. However, when they are alone together, Eisei whispers in the same sweet voice as back then. “Don’t you feel like we’re destined?” The pleasure and desire that revive with their reunion. And yet, even after 10 years, she still cannot grasp his true feelings. Am I the one he truly loves? Or am I just for fun? Even as adults, unable to break free, she sinks deeper into a secret relationship.
Recommended by 73n5h1k015h173
Onuma Mihono works at a travel agency. After breaking up with her boyfriend of six years, someone she had been thinking about marriage with, she realizes she is already 30.

Then, a man transfers into Mihono’s company. It is Ureshino Eisei, the “accomplice” with whom, despite both of them having lovers at the time, she had a physical relationship 10 years ago. Mihono is shaken when Eisei speaks to her with a cool expression, but she resolves to treat him normally. However, when they are alone together, Eisei whispers in the same sweet voice as back then.

“Don’t you feel like we’re destined?”

The pleasure and desire that revive with their reunion. And yet, even after 10 years, she still cannot grasp his true feelings. Am I the one he truly loves? Or am I just for fun? Even as adults, unable to break free, she sinks deeper into a secret relationship.
Recommended by 73n5h1k015h173
Onuma Mihono works at a travel agency. After breaking up with her boyfriend of six years, someone she had been thinking about marriage with, she realizes she is already 30. Then, a man transfers into Mihono’s company. It is Ureshino Eisei, the “accomplice” with whom, despite both of them having lovers at the time, she had a physical relationship 10 years ago. Mihono is shaken when Eisei speaks to her with a cool expression, but she resolves to treat him normally. However, when they are alone together, Eisei whispers in the same sweet voice as back then. “Don’t you feel like we’re destined?” The pleasure and desire that revive with their reunion. And yet, even after 10 years, she still cannot grasp his true feelings. Am I the one he truly loves? Or am I just for fun? Even as adults, unable to break free, she sinks deeper into a secret relationship.
Recommended by 73n5h1k015h173
Shibasaki Himari (27) is a cheerful and straightforward woman who works at a PR company. Despite her bright outward appearance, she has a strong sex drive, and a history of breakups caused by sexual incompatibility has left her with lingering emotional scars.

One day, as more and more of her friends get married, Himari begins to feel anxious about her own future. As usual, she vents her frustrations over drinks to H?j? Kazumi, her best friend since college and now also her coworker. Unlike Himari, Kazumi has shown no interest in finding a long-term partner and seems completely unconcerned about it. However, when Himari says she wants to meet someone she is truly compatible with, Kazumi suddenly suggests, “Why don’t you try it with me?”

Surprised by this unexpected proposal from someone who had always seemed to keep a certain distance between them, Himari is conflicted. Yet despite knowing they are best friends, the two end up crossing that line. As a result, their relationship, once built on complete honesty and friendship, begins to change.

They could always be honest with each other as friends. They thought friendship was enough. But burdened by their respective pasts, neither had been able to take the next step. Now, as they move beyond the boundaries of friendship, they find themselves caught between friendship and love in this sweet yet risky romance.
Recommended by 73n5h1k015h173
Onuma Mihono works at a travel agency. After breaking up with her boyfriend of six years, someone she had been thinking about marriage with, she realizes she is already 30.

Then, a man transfers into Mihono’s company. It is Ureshino Eisei, the “accomplice” with whom, despite both of them having lovers at the time, she had a physical relationship 10 years ago. Mihono is shaken when Eisei speaks to her with a cool expression, but she resolves to treat him normally. However, when they are alone together, Eisei whispers in the same sweet voice as back then.

“Don’t you feel like we’re destined?”

The pleasure and desire that revive with their reunion. And yet, even after 10 years, she still cannot grasp his true feelings. Am I the one he truly loves? Or am I just for fun? Even as adults, unable to break free, she sinks deeper into a secret relationship.
Recommended by 73n5h1k015h173
Onuma Mihono works at a travel agency. After breaking up with her boyfriend of six years, someone she had been thinking about marriage with, she realizes she is already 30.

Then, a man transfers into Mihono’s company. It is Ureshino Eisei, the “accomplice” with whom, despite both of them having lovers at the time, she had a physical relationship 10 years ago. Mihono is shaken when Eisei speaks to her with a cool expression, but she resolves to treat him normally. However, when they are alone together, Eisei whispers in the same sweet voice as back then.

“Don’t you feel like we’re destined?”

The pleasure and desire that revive with their reunion. And yet, even after 10 years, she still cannot grasp his true feelings. Am I the one he truly loves? Or am I just for fun? Even as adults, unable to break free, she sinks deeper into a secret relationship.
Recommended by 73n5h1k015h173
If Only You Weren't the One (2026) poster

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