S1, E5: Mirai’s second lesson is to boil a magic kettle and make tea on a cold island. Although the students’ magic did not work in the beginning because of the cold, Mirai and the other students manage to successfully boil their magic kettles after they are warmed up by a game that Mirai suggested. However, Riko, who didn’t join the game, couldn’t use her magic well and gets in a fight with Mirai...