Zashikiwarashi ga dete iku Sodesu
Uke moves into house and lives alone. Seme is good-luck god that lives in house and likes to play, big but actually like a child.
Yankee Ω wa Kemono Ou-sama no Mono!
Delinquent uke gets transported to fantasy world where he is seme's mate. Uke turn out to be omega and seme is an alpha, next in line to the throne and is the beast king.
The Titan's bride
@Ch 47 Uke is basketball player but gets transported to another world. Seme is a titan prince. Seme tells uke he sent him there because they are prophesied to get married but uke doesn't like it. Makes agreement that if uke doesn't like it after 1 month, seme will send him back to his own world.
Kamikemono no Hakoniwa
Seme is dragon deity and uke is human from village. Village must give uke to seme.
Tabetemo Oishiku Arimasen
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.
Datte Maou-sama Wa Kare Ga Kirai
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.
Monster and the Beast
Uke is a wanted fugitive. Seme is a forest monster that saves uke in the forest one day. Uke who has powers to make people desire him, tells the monster to stay with him which he does but can only travel using uke's shadow.
Ai o Ataeru Kemonotachi