[Mosaic Removal] Tomoya happens to be reunited with Manami, his senior from student days, at the architecture office where he is changing jobs. Tomoya used to be loved by his girlfriend, but he still can't get over her... Even though he is at work, he is easily swayed by her obscene advances as she continues to stimulate and skillfully play with his sexual senses. The lewd training, which was called training for new employees, becomes more and more bold, and Tomoya continues to indulge in Manami's body. But one day, just as the new employee training was coming to an end...