the following have semes that have comforted/helped them instead of being the cause or making things worse lol:
had an abusive boyfriend, came to work with bruises.
http://www.mangago.zone/read-manga/friend_line/
was bullied and mocked for being gay
http://www.mangago.zone/read-manga/konbini_kun/
twin brother complex, used sex as escapism. meek boi.
http://www.mangago.zone/read-manga/hitotsu_shikanai_mono/
father used to keep him in a box. can't sleep without the comfort of another's touch.
http://www.mangago.zone/read-manga/makkurayami_de_kimi_to/
was raped repeatedly by former classmates.
http://www.mangago.zone/read-manga/hatsukoi_wa_gunjou_ni_tokeru/
father sexually harrassed him, sold to prostitution. grieving the death of a beloved parental figure who saved him.
http://www.mangago.zone/read-manga/mods/
dunno if this counts. sequel to above. grieving the death of a loved one. been an insomnias for over 7 years (?) used to get fucked by the yakuza or something.
http://www.mangago.zone/read-manga/nights_before_night/
omegaverse. raped by some alpha in the past.
http://www.mangago.zone/read-manga/kiraide_isasete/
----
bonus. dunno if this counts.
http://www.mangago.zone/read-manga/neon_sign_amber/
http://www.mangago.zone/read-manga/saezuru_tori_wa_habatakanai/
Well that looks like a long list already so just gonna add one:
http://www.mangago.zone/read-manga/take_over_zone/ (rape victim)
Uke with Traumas and Seme is trying to heal/ comfort them with it idk Manga or manhwa im fine with it lol