[ENGLISH-SUBTITLE] ROYD-146 The relationship with my brother's wife was supposed to be just kissing...but they couldn't stand each other, so they covered each other with saliva and secretly had inseminated sex over and over again. Mei Itsukaichi

Mei's heart was drifting away from her husband, who was devoted to work. She begins to develop feelings for me, her brother-in-law who lives in the same house, and a forbidden love gradually blooms between the two... The two make a ``promise to just