https://www.mangago.me/read-manga/semantic_error/
https://www.mangago.me/read-manga/a_man_like_you/
I'm not sure these are to ur liking or not but they were straight first
crossing the line
dam nvm
Netkama punch I mean idk if hes actually bi or straight but he gets delulu abt his feelings and denies it...
I put that as an example kslsösösöpsps
I already read those but tysm! And ye I liked these
oh shoot mb I didn't see
Bl where the top thought he was straight but turned bi after developing feelings for the bottom. But with an arc where he is delulu about his feelings and can't sort them until he finally accepts it. Stuff similar to:
https://www.mangago.me/read-manga/nekama_punch/
https://www.mangago.me/read-manga/crossing_the_line_1/