PandaWarrior's manga / #Yaoi(1092)

Uke always wears mask.

Uke looking for S. Gets paired with seme and wants to train him to his liking. Ends up like seme for his softness and his S personality.

Human in a demon world. Little horned demons and big horned demons. Uke is a human and seme is a big horned demon. Finds out uke's secret and agrees to keep it a secret in return for letting him eat him.

Uke is the reincarnation of the next generation demon king, has always been able to command others but doesn't like it. Hero is sent to defeat him but they must do so in a non-violent way. Hero lives with uke to keep and eye on him.

Uke is a BL fan and dies in the human world. Ends up in a sacred beast world where the seme has to sleep with him, since he is the chosen one for seme, to evolve into his full power. Uke doesn't like him at first and decides to go back to his own world but comes back. Seme is a snake sacred beast who evolves into a dragon. 2nd Couple - White tiger sacred beast and yakuza (tiger's chosen one). 3rd - Black tortoise and idol.

Uke is a vet hated by male animals. Saved a puppy long ago who was seme. Seme returns years later to make uke his bride.

Scientists researching how to use tentacle creature for sexual pleasure. Ends up getting stuck with it and uses it to gather data.