Responses
Sorry. Ff
Probably this manga?
http://www.mangago.zone/read-manga/usotsuki_na_tsugai/
YESSSSSS!!! KYAHHH FINALLY!! THANK YOU!!! ┗( T﹏T )┛
The story is in omegaverse, a rich heir looking for a bride, and the uke have a twin, the uke has not yet got his heat but the seme asked him to-be his bride and pretend that he got his heat... It is still ongoing.. Don't remember the tittle