Boku Mama x Tomo Mama Koukan Hameppu Life ~Bosei Afureru Bokura no Kyonyuu Mama-tachi wa Haitoku ni Mimodae Nagara Amaenbou o Musabori Aegu~

One day, Takumi, the protagonist, witnesses something shocking—his mother Mayumi and his friend Eita tangled in a passionate embrace. Fleeing from the scene, he stumbles into Ayako, Eita's mother, and soon their relationship spirals into something far more intimate. Takumi, consumed by his long-held desire for this woman, is discovered by Eita. Enraged, they challenge each other: 'Who can truly prove their love for their partner the most?' And so begins a depraved competition of mother-son group sex…