The three sharehouse members are having the grandson of Tappei's co-workers staying over for the weekend. He's preparing himself for a role in a role play at school. However, he says he's playing the main although he's "just" having a supporting role. Sakurai-san is able to encourage him despite and so the role play is a success. Tappei and Sakurai are having a date in the planetarium and Shio's brother has troubles with his girlfriend. At the end, Sakurai's wife appears in front of their door.