Renai-rubi no Tadashii Furikata
https://www.mangago.me/read-manga/in_good_faith_1/ (seme has liked uke since they met & lets uke use him until …. dun dun dun.)
https://www.mangago.me/read-manga/revenge_guide/ (seme likes uke; hes hurt when his feelings arent reciprocated & isolates him, ruining their friendship.)
https://www.mangago.me/read-manga/behind_the_stage/ (uke sleeps with seme, & wants nothing to do with him after, but seme finds him & chases him anyway.)
https://www.mangago.me/read-manga/unholy_lilith/ (uke goes along with seme’s antics out of loyalty but doesn’t reciprocate his feelings)
need bl where it one-sided love