Um the story was about a men who betting with another person wether the guy is going to fall in love with him... He give him the key to a flower garden
http://www.mangago.zone/read-manga/kizoku_no_aoi_kuchizuke/ I believe it's this one
Um the story was about a men who betting with another person wether the guy is going to fall in love with him... He give him the key to a flower garden