Yakuza/Mafia BL

Straight guy (seme) is poor and works as a bartender at a gaybar. He suddenly got into trouble for a debt he didn't have. He got saved by a yakuza boss (uke) in return he will become the yakuza's sex toy in exchange for paying his debt.

Kabu was told by his father, that he is going to succeed the Umezaki group, but he is hesitant to do so. On the other hand, Sagawa, who is regarded as the successor of the group by everyone else, tests Kabu’s loyalty by giving him an ultimatum, to give up his company or Nirasawa. For Kabu, Nirasawa is not only a convenient pawn, but at the same time he’s a lover, that has captivated him with his unexpected cuteness. Will Kabu really send Nirasawa away!?

Tatsuyuki is the reluctant young master of a Yakuza group. He would rather spend his days playing around than learning the ropes of his family's dubious business. When his caretaker sends him off to a branch office in Fukuoka, the recently heartbroken Tatsuyuki finds himself in a weirder situation than he would have ever expected.

From Seraphic Deviltry: Tora is looking for a job, so he decides to apply for this particular place. What he didn't know is that this place is a Male Brothel. Here he meets Shiro, the most requested male prostitute. At the beginning Tora feels reluctant to work in this environment, but the vulnerability aura that surrounds Shiro makes him stay, plus he needs the money. Everything goes well at first, but shortly after, feelings and painful secret complicate their already fragile relationship

Haru's story from MODS

The yakuza head Kohaku was shot while attempting to save a cat, but instead of dying, he was summoned into a different world. But how did he end up as the priestess of the animal-eared and tailed Cat ear clan?!