There is one but its straight, similar yaoi- steel under silk (tried 2 times ig?) Cozy obsession (reincarnation) beyond memories (reincarnation)
https://www.mangago.me/read-manga/i_became_a_slave_to_the_man_i_abandoned_nebul/, the novel: https://novellist.net/novel/i-became-a-slve-to-the-man-i-abandoned-novel/ >>>>> (there's actual revenge on the uke's part and it's GREAT if you can stand the first part)
https://www.mangago.me/read-manga/beyond_memories/
Imma steal this if you dont mind
No, I will NEVER forgive you for this
Thank yall unfortunately I've read most of it but I'll read it again!
I just remembered that there were other regret stories where the uke was suicidal:
https://www.mangago.me/read-manga/greeting_you_strangely/
https://www.mangago.me/read-manga/a_trace_of_the_wonder/
https://www.mangago.me/read-manga/burns/ (bad ending)
suicidal uke and seme regrets? I don't mind novels either ((≧∀≦)