With her mother's remarriage, Amamiya Matsuri becomes the younger stepsister of Haruka, Azusa, and Rihito, triplets who make up the wildly popular group Terzetto. She had always dreamed of having brothers and being close to them but is disappointed to learn that the siblings don't get along at all. The truth is, Azusa, the second son, wishes he and his brothers were closer. So Matsuri decides to help him make his wish come true. In appreciation for Matsuri's efforts to bring the two families together, a welcome party is planned. The triplets join in the preparations but, as usual, end up fighting. When Matsuri suddenly collapses, the worried triplets call a truce. A family that gets along is more fun than one that argues, so Matsuri is determined to intervene each and every time. While not ideal, things seem to be progressing well, when one day, she receives a confession of love from Azusa...! (Source: Japan Program Catalog) ~~ Adapted from the manga series "Netsuai Prince: Onii-chan wa Kimi ga Suki" (熱愛プリンス お兄ちゃんはキミが好き) by Seizuki Madoka (青月まどか). Edit Translation
- English
- Français
- Español
- Português (Brasil)
- Native Title: 熱愛プリンス
- Also Known As: Netsuai Prince: Onii-chan wa Kimi ga Suki , Netsuai Purinsu , Secret Love with Prince , ねつあいプリンスおにいちゃんはキミがすき , 熱愛プリンス お兄ちゃんはキミが好き
- Director: Tomita Miki
- Screenwriter: Date Sorami
- Genres: Comedy, Romance
Where to Watch Netsuai Prince
Cast & Credits
- Hayashi MeariAmamiya MatsuriMain Role
- Mokudai KazutoAzusaMain Role
- Matsui MinatoSubaruMain Role
- Mashiko AtsukiYamatoSupport Role
- Okura TakatoHarukaSupport Role
- Koizumi KosakuRihitoSupport Role
Reviews

Pretty Faces, Problematic Plotlines, and One Very Doomed Little Sister
I just finished watching Netsuai Prince and I don't even know what to say. I'm honestly ashamed of how entertained I was, because this show is wild. It's about Matsuri, a 15-year-old girl who always wanted siblings. One day her mom gets remarried, and suddenly she’s the little sister of the members of her favorite idol group, Terzetto.Now, listen, this already sounds like a fanfic gone off the rails, but it gets worse. Not only is it incredibly cringe, but it’s also deeply problematic.
Let’s start with the basics: Matsuri is 15. The boys? They’re 17 or 18. That alone is pushing boundaries, but one of them is her new stepbrother, and still tries to make moves on her. What are we doing here???
The show plays this off like a romantic fantasy, but it’s straight-up disturbing. Especially Azusa, this man is 17 and literally tells Matsuri he doesn’t see her as a sister. And then proceeds to pin her against walls, kiss her without consent, and just overall act like a walking red flag. WHY is this stepbrother kissing his 15-year-old sister? Why is this presented as romantic?!
And he’s not even the only one! Subaru, the childhood friend turned idol, also crosses lines and does a lot of questionable things.He was a boring character too, it’s hard rooting for anyone when everyone’s out here disrespecting boundaries like it’s nothing.
As for the other two brothers, Haruka and Rihito? Shockingly, they actually treat Matsuri like a sibling. No weird romantic tension, no crossing lines. And I know that sounds like a low bar, but in this drama, that practically makes them saints.
Yamato, though? Now that one’s complicated. He had the most personality, the most layers, and honestly was fun to watch. Did he also cross lines sometimes? Yeah, unfortunately. But it felt less aggressive and more playful, not perfect, but tolerable compared to the other two. If she had to end up with someone, I would've preferred Yamato just for the character depth and dynamic. (Still not ideal, though.)
And here’s the real tragedy: this show could have been amazing if it just focused on family and friendship. Matsuri adapting to her new family, navigating idol life from the inside, bonding with her brothers, that would’ve been wholesome and unique.
Even the group dynamics between Terzetto and Prism were fun to watch. The rivalry felt genuine but healthy, and the friendships felt real. But then they had to throw in the “I’ll steal your sister from you” stuff and ruin the vibe.
Also… where are the parents? Why are all these minors just unsupervised and living alone in a giant house like?
In the end, Netsuai Prince is pretty faces, decent idol music, and a story that had potential, and then set it all on fire in the name of forced romance and creepy tropes. I would've rated it way higher if the romance was cut and it just focused on growing sibling bonds and idol life. But nope.
Please someone save Matsuri from these men.
Its good
I don't know why alot of people are bashing this lol. Plus there was eye candy in this 😍😂 Especially Asusa and Yamato.If she didn't get with Asusa, I'd prefer Yamato. I thought they'd be cute. Their interactions was always funny.
Subaru was too obsessive like. I get yall liked each other when yall were KIDS but feelings definitely change.
Now what was a tad bit annoying was that she didnt know who she wanted to be with. BUT if I was in her shoes, I wouldn't know either. 😂😂 Like you have 3 people who like you. And they also kept flirting and all which doesn't help at choosing. I feel like Subaru was just thinking of their childhood memories all the time which was ugh.
Also the description is wrong. They aren't triplets. They are 18,17 and 16.
Overall though, I thought it was good. I'd rewatch it. And I RARELY rewatch straight Asian series 😭 (More of a BL fan)