Responses
https://www.mangago.zone/read-manga/shiri_fechi_nanka_ni_sukarete_tamaru_ka/
https://www.mangago.zone/read-manga/the_prince_of_proctology/
https://www.mangago.zone/read-manga/secret_fetish_anthology/
(The first story)
https://www.mangago.zone/read-manga/mellow_pillow/
https://www.mangago.zone/read-manga/ideal_assets/
That's all I can think of now, but I'm pretty sure you've read most of them already hope you find some new ones

Any recommendations where the seme is obsessed with his uke's butt? (▰˘◡˘▰)