Mei, a high school girl, is always looked at with unpleasant eyes by the man who became her brother-in-law due to her parent's remarriage. Unfortunately, she finds out that she is dating a teacher at her school... Mei, who had her weakness seized, acted aggressively, but due to the aphrodisiacs she secretly added to him and her persistent teasing play, she gradually felt her body react with twitches, and then she came. From that day on, Mei became addicted to sexual pleasure, and contrary to her heart, she became addicted to sex with her brother-in-law, who she hated.
