Tasuketa Yakuza ni Nerawaretemasu!?

Koutarou Tanaka, a taxi driver who works in the countryside, loves his uneventful life more than anything. One day, he ends up saving a yakuza, Hozumi Kurokawa, whose abdomen was bleeding. A few weeks later, under the guise of attempting to return the favour, Hozumi pins Koutarou down...

"I'll do my best to entertain you."

(Source: Takeshobo, translated)

Included one-shot: Doutei no Ore wo Oshitaoshita no wa Osananajimi deshita