with established relationships? not as in the mc is in a relationship and goes to a new guy but smth similar to mr 100% perfect where the main couple was already in a relationship
https://www.mangago.me/read-manga/hiyoko_to_yoru_to_yuenchi/
with established relationships? not as in the mc is in a relationship and goes to a new guy but smth similar to mr 100% perfect where the main couple was already in a relationship