Gen'ei Choukyou Club 2

Main character is an upcoming musician. He is asked to produce a song for a Japanese opera "Neo Imagine". But his beautiful partner suddenly dies, and main character looses the will not just to create, but to live. He got drowned into alcohol and drugs causing an incident in SM club. His friend advised him to join a secret club "Love & Peace" where it might be possible to share new experiences and find a true partner.

[From vndbreview]