Mike and Hugh devote themselves to their studies using the devices lent to them by Belta's shop. One day, Sero is injured in a retaliatory attack by a dangerous organization, and for some reason, Siu is furious with Sero. In the midst of all that, the full-time and part-time employees all go on a company trip to an onsen! Mike asks Siu about something he's been wondering about for a long time.
