This reminds me of another manga I have read, it was about an uke with a biggg derriere and the seme from that story also monopolized him for his body.
http://www.mangago.zone/read-manga/shiri_fechi_nanka_ni_sukarete_tamaru_ka/This maybe?
This reminds me of another manga I have read, it was about an uke with a biggg derriere and the seme from that story also monopolized him for his body.