Miyuki Todo and Eiji Sanada, teachers who work at the same school, are lovers who are about to get married. She decides to keep her chastity until her marriage, but Takuya Misawa robs her of her chastity. Takuya also has a relationship with Miyuki’s colleagues Makoto and Ritsuko.
He had a special ability to have special semen, which makes him breast milk when taken into the body.
What is the relationship between Miyuki and Eiji, and what is the future with Takuya?