A son has harbored an obsessive love for his mother, Honami, a career woman who looks great in suits, since childhood. Desperate to fulfill his feelings for her, he obtains a super-powerful aphrodisiac. He immediately gives the aphrodisiac to Honami and confesses his feelings, but she only goes as far as oral sex, saying, "We're mother and son, so it's no good..." The son's plan seemed to have failed, but the pleasure of the drug had been imprinted on Honami's body! He wants to experience that pleasure once more...