When Mafuyu can’t use the bathtub in her apartment, she goes to a neighborhood bathhouse. On the way, she encounters Asumi and Nariyuki, and ends up in the sauna with Asumi. It’s so hot that the two get punchy. They blurt out secrets about Nariyuki and frolic in the cold bath. Nariyuki overhears their flirtatious voices from the men’s section and it makes him nervous!
　Days later, Mafuyu helps her students practice their university mock interviews. Her penetrating questions attack Fumino and Rizu’s weaknesses, leaving them demoralized. Then it’s Nariyuki’s turn. What does he say to Mafuyu?!