IKUsei

Masaki is an ordinary male student who harbors intense lust for his mother, Mitsue, and struggles daily with a deep sense of immorality. Meanwhile, his childhood friend Miki, a female student in love with him, grows increasingly frustrated by their stagnant relationship.

One day, Masaki reaches his breaking point and confesses his sexual desires to Mitsue, successfully receiving a hand job from her. However, their secret is discovered when Miki stumbles upon this abnormal mother-son relationship, setting the stage for a complicated and erotic entanglement.