"Please bully me instead of my son! I'll do anything."

Although Masano was widowed at a young age, she impressively raised her son, Hiroshi, alone.

The mother and her son live happily ever after, or so it should be, until she discovers that her son has been bullied.

A mother's love for her child, the will of a single parent. She eventually confronts the people who are bullying her son, in exchange for stopping her son's bullying, she makes a deal with their leader.

"――Don't lay a hand on my son. In exchange......"

As a mother, all she wants is to protect her son.
However, in the midst of her willingly severe suffering, a woman's true nature hidden within her awakens.

Is this an amicable mother or a woman drowning in lust and pleasures.
What she really wants, that is――