One day, while Mami is riding her bike while looking at her smartphone, she bumps into Tomoeya, who has overslept and is rushing out the gate. Mami apologizes, but seeing her, Tomoeya has a bad idea and pretends to call his company, dejectedly saying that he was fired for being late. He then confronts Mami, saying that it was her fault for riding her bike while looking at her smartphone, and attacks her...