Ff
Hollow lovers
ff
http://www.mangago.zone/read-manga/miraiken_de_ai_o_tsumugeba/ maybe this one?
Ff
not what ur looking for but kinda... it's reply by yoneda kou... uke confessed to seme but was rejected then seme fell for uke and confessed.
Ff
Ff
Any BL manga where the guy (seme, preferably) says “don’t fall in love with me” and then goes and falls first?