https://www.mangago.me/read-manga/a_trace_of_the_wonder/ - bl, uke is suicidal because of guilt and wants to kill himself
https://www.mangago.me/read-manga/suicide_boy/ - literally called suicide boy lol, constantly tries to kill himself
https://www.mangago.me/read-manga/isekai_shikkaku/ - mc wants to commit a double suicide with his lover but got isekai'd instead, he's trying to find his lover again to die with her
https://www.mangago.me/read-manga/park_hanhoo_s_manager/ - spoiler kinda? mc is suicidal and tries to commit
https://www.mangago.me/read-manga/sss_class_suicide_hunter/ - goes back in time a bit and sometimes gains power each time he kills himself which is A LOT
Tyy
Anyone can recommend me mc that always want to kill theirself especially in front of people