ROYD-146 What was supposed to be a relationship of just kissing my sister-in-law turned into an uncontrollable exchange of saliva, repeatedly having sex for impregnation in secret. Mei Yozumi

'Mei' was starting to drift 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 kiss'' and begin their ninja love. But my desire doesn't stop. As her love and desire intertwine, Mei pours out all her feelings for me, and even though Mei also has feelings for her husband, they end up intensely seeking each other and cross the line, leading to creampie... The destination of this love is destruction, or...