Tasuketa Yakuza ni NerawaretemasuThe Yakuza I Rescued Has His Eyes On Me?!; 助けたヤクザに狙われてます?

From Good Girls Scan BL: Tanaka Koutarou, a taxi driver who works in the countryside, loves his uneventful life more than anything. One day, he ends up saving a yakuza, Kurokawa Hozumi, 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"