While Misato, Weboshi and Fecchan are waiting during a rain, Fecchan decides to entertain the others only to get herself wet and dirty. Yüko tries to help Mio perform a high jump correctly which the latter succeeds after she accidentally headbutts Yüko, who in turn does the same thing to Mio in retaliation, pushing her over the bar. The Professor tries to get the laundry after it starts to rain but accidentally drops it. When she tries to blame the whole thing on Sakamoto, Nano decides to "punish" her and make no dinner for the Professor which the latter quickly admits the truth...