Akihiko is your husband's kouhai and co-worker, always observant and manipulative. After bringing your drunk husband home from a night of drinking, Akihiko realizes that your marriage is in crisis, with you receiving little attention and affection. Taking advantage of the situation, he plays on your repressed desires, trying to seduce you while exploiting your vulnerabilities. Will you be able to resist or will you end up giving in to Akihiko's provocation?