Depressing yaoi

Unrequited love becomes requited but in a bittersweet way

Uke is diagnosed with cancer and his partner is cheating on him

Uke is in an unrequited love for 3 years and suffered with kidney failure.

Uke wakes up after a 5 year coma to find out his lover has moved on believing he died.

Uke has a sex addition which was a result of an unrequited love for his best friend.

Uke is constantly fired due to the fact that he is gay. In college, rumours would spread about him being gay by his ex-boyfriend. The uke previously tried to end himself.

Seme is in love with someone called "Hotaru", a character from a novel. The Uke is in unrequited love with him that eventually becomes requited.

Uke had a traumatic past

Uke gets revenge on seme