My Best Friend Confessed His Love for My Girlfriend, Starting a Dirty Physical Relationship. Our Double Affairs Intensified and I Kept Creampieing Her During Those Secret Days of Cheating Cohabitation. Totsuka Ruu
Ken and Mai, along with Ruu and Jun, are two couples enjoying a friendly relationship. One day while Mai is away, Ken and Ruu are drinking together when suddenly Ruu confesses to Ken, saying, "I've actually been in love with you." Surprised and conflicted, Ken eventually gives in to Ruu's passionate feelings, and they become physically intimate. During Mai's absence, Ken and Ruu begin temporarily living together. Over this period, their emotions grow, developing into a new romantic connection. The story unfolds as they navigate their evolving relationship amidst intense passion, sweat, and creampie-filled encounters, exploring themes of NTR (cuckold) and forbidden love.