Responses
It think it might be this:
I Became the Lousy Side Top
^ ^
love interest zone also fits ^^
I think it’s this
https://www.mangago.me/read-manga/love_supremacy_zone/
Yes! It was love interest zone. Tysm!
So mc's friend wrote a story and mc pitied the second male lead (second male lead died pretty sure) and so mc's friend isekaid mc into THAT story and then mc started to help second male lead (forgive me if this description is bad I haven't read this bl in a while!)