My Lovely Girl (2014)

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.

ML in both dramas have to reconsider dating FL because of a past involvement with a family member and other tragic circumstances around it.

Kusunoki Haru gets talked into trying her hand at running an entertainment agency by a CEO who is an acquaintance. However, she loses everything after it goes bankrupt. All she has left is a struggling five-member (Morinaga Yuki, Shiono Akihisa, Hanazawa Masato, Naito Shuichiro, Honda Kyoya) male idol group which belongs to the agency. In a sudden reversal, Haru goes from a winner whom everyone envies to someone mocked by the people around her. She plots her own comeback and achieves a breakthrough in the entertainment industry as the producer of the group

Lee Hyun Wook is the composer & producer of an entertainment company. After losing his girlfriend in an accident, he then meets and falls in love with his girlfriend's younger sister, Yoon Se Na, who dreams of becoming a music producer.

Lee Hyun Wook is the composer and producer of an entertainment company. After losing his girlfriend in an accident, he then meets and falls in love with his girlfriend's younger sister, Yoon Se Na, who dreams of becoming a music producer.

Both dramas have Rain as the lead actor. They both involve over privileged musicians who are going through hard times and fall for the ordinary girl that helps them get through it.

Both of them were "blessed" with horrible writers, both of them are unbelievably dull and in both of them, you can't find any chemistry. And...I almost forgot...acting is terrible (Sorry Binnie).