What I mean by this is where they dont end up actually killing themselves because someone saves them.
http://www.mangago.me/read-manga/cocoon_of_the_heart/
But if you want a wider range, go by the tag
http://www.mangago.me/tag/Suicidal/?page=1
1. when they cum when they say they love them (⌒▽⌒)
2. fingers in the mouth (︶︿︶)=凸
ლ(´ڡ`ლ) I yearn for the content
for 1 and 2, Yatamomo
https://www.mangago.me/read-manga/yatamomo/
for BOTH?! you're a godsend (๑•ㅂ•)و✧