Tomoya unexpectedly reunites with his college senior, Manami, at the architecture firm where he just started a new job. Having been doted on by her in the past, Tomoya still finds himself unable to stand up to her... Despite being on the clock, he can't resist her lewd invitations as she skillfully stimulates his senses and toys with him. The erotic training sessions, disguised as newcomer orientation, grow increasingly bold, and Tomoya spends his days drowning in Manami's body. However, one day, as the newcomer training is about to come to an end...
