Responses
Beyond memories
https://www.mangago.zone/read-manga/into_the_rose_garden/
The entire story is basically riddled with regret.
https://www.mangago.zone/read-manga/to_me_who_doesn_t_love_you_team_hazama/ (Uke amnesia, becomes more affectionate after amnesia)
https://www.mangago.zone/read-manga/senza_replica/ (Seme amnesia, more affectionate after)
https://www.mangago.zone/read-manga/grieving_you/ (switching to a new body after death)
Uke regret/seme regret kind of plot. Anything with amnesia/regression/reincarnation. Please recommend.