Responses
Sorry I'm not sure but it kinda reminded me of this
https://www.mangago.me/read-manga/aku_yori_aku/
sadly not it, but def going 2 read this ! thx
finally found it !! for any1 who might want it
https://www.mangago.me/read-manga/embrace_me_you_handsome_devil_i_tried_seducing_my_former_lover/
from what i remember, the cover had a blond guy n a black haired guy ! i believe the lettering was red n smth abt a demon. it was also reincarnation type n the black haired guy didnt remember the blond hair guy, so the blond hair guy was trying to remind him of who he was. the manga itself was black n white
thinking the black hair guy was also a yokai or demon of some sort
srry n ty !!