It was a black and white manga or manhwa I don't remember..the uke was crazy inlove with seme and give him confession letters but seme would always reject him, until uke starts to avoid him..that's all I remember
https://www.mangago.me/read-manga/name_dameo_to_yaba_otoko_isaki_nekoo/ ?
https://www.mangago.me/read-manga/time_lag/
It was a black and white manga or manhwa I don't remember..the uke was crazy inlove with seme and give him confession letters but seme would always reject him, until uke starts to avoid him..that's all I remember