Tsuyameku Hishatai

From Fantasyshrine:

Shou works as a photographer’s assistant in a studio. He's approached by Amamiya, the Chairman of an influential production company, to become a model. Annoyed by Amemiya Tsukasa’s arrogance, (yet unable to resist a challenge), Shou accepts Amemiya’s offer. But then Amamiya orders Shou to live in his apartment, so he can personally train Shou to be a top model. But what does the training entail...?

Romance of an elite company president and a Cinderella boy.

With The Master Till Dawn: Rin, Amamiya's bratty cousin, is in love with him. What Rin doesn't know is that someone in his house hold is in love with HIM.

A 17 Year Romance: High school friends discover new feelings for each other after 17 years of friendship.

Anywhere With You: Secluded rich boy with health problems is in love with the delivery boy who sometimes comes around.

The Serious Player: A bisexual playboy always teases his gay virgin ice queen of a coworker.