Heartbeat

Kiira seems like an ordinary young girl, who likes to talk with her friends and to dress up. Her ultimate goal is to become the world's best baker, but what differentiates her from others is that she is a vampire. She has never told anyone her secret, including her childhood friend Tetsu, whom she played with everyday and liked as a child. After her parents died when Kiira was only 12-years-old, she had to go live with her relatives and lost contact with Tetsu.
Now, 8 years later, Tetsu appears at the bakery where Kiira is working part-time. Kiira is ecstatic to see her first love again. Soon, they are dating and Kiira dreams of having a family with Tetsu. Kiira also becomes filled with worries because she is vampire.

Pontifex Rembrary, a character known for his divine powers, gets transported to a new world while fighting a devil. He possesses the body of Woo Yeon Woo, a member of an unpopular idol group, and helps turn the group's fortunes around after a disastrous live performance. With his charisma and divine powers, he becomes popular among fans but faces challenges from his past, contending with strange religious groups and the devil.

One is BL and the other M/F but both are have the themes of the ML waiting for the reincarnation of his love from ancient times, and the possibility of them coming back looking different while there's another person with the original face in modern day. Both have a cat shapeshifter who helps the ML.

A love story between the half-human and half-vampire Seon Woo Hyul, who was unable to become human due to a one-day difference over 100 years, and Joo In Hae, a woman who has no humane side and finds true warmth.

A love story between the half-human and half-vampire Seon Woo Hyul, who was unable to become human due to a one-day difference over 100 years, and Joo In Hae, a woman who has no humane side and finds true warmth.

A love story between the half-human and half-vampire Seon Woo Hyul, who was unable to become human due to a one-day difference over 100 years, and Joo In Hae, a woman who has no humane side and finds true warmth.

A love story between the half-human and half-vampire Seon Woo Hyul, who was unable to become human due to a one-day difference over 100 years, and Joo In Hae, a woman who has no humane side and finds true warmth.

A love story between the half-human and half-vampire Seon Woo Hyul, who was unable to become human due to a one-day difference over 100 years, and Joo In Hae, a woman who has no humane side and finds true warmth.

A love story between the half-human and half-vampire Seon Woo Hyul, who was unable to become human due to a one-day difference over 100 years, and Joo In Hae, a woman who has no humane side and finds true warmth.

A love story between the half-human and half-vampire Seon Woo Hyul, who was unable to become human due to a one-day difference over 100 years, and Joo In Hae, a woman who has no humane side and finds true warmth.

If you liked Heartbeat you will definitely like this drama too. The story is very similar, although the main character is not a vampire but a goblin.
Plot:
Kim Sin was once an unbeatable general in Goryeo's military who died tragically. He now possesses immortality but is tired of living while everyone else around him dies. For 900 years, Kim Sin has searched for his bride, a mortal who can pull out the sword and end his life.
One day, he encounters Ji Eun Tak, a positive, upbeat high school student who can see the dead and has gone through tragic events yet still stays strong. She claims to be the Goblin's bride who can end his immortal life, but what appears to be an easy task only gets complicated as the two fall in love.

A love story between the half-human and half-vampire Seon Woo Hyul, who was unable to become human due to a one-day difference over 100 years, and Joo In Hae, a woman who has no humane side and finds true warmth.

This drama is a love story between Kataoka Sakuya, a grim reaper who comes to the human world for the first time, and Mochizuki Nayuki, a woman who lost her father at a young age and has devoted her life to raising her only remaining family—her younger brother. As they meet, they gradually come to understand each other, and slowly, they begin to fall in love. However, a fate that will dramatically change their lives awaits them both…

A love story between the half-human and half-vampire Seon Woo Hyul, who was unable to become human due to a one-day difference over 100 years, and Joo In Hae, a woman who has no humane side and finds true warmth.

A love story between the half-human and half-vampire Seon Woo Hyul, who was unable to become human due to a one-day difference over 100 years, and Joo In Hae, a woman who has no humane side and finds true warmth.