Sakayanagi Arisu is on the move. She informs President Nagumo that she’s mounting an attack against Class B’s Ichinose Honami. Kei is just getting done announcing that she and Yousuke are done-zo, Arisu visits Kiyotaka’s class asking to speak to … Yamauchi, of all people. Suzune smells a trap, very tactlessly pointing out the obvious: Arisu has no use for Yamauchi, unless she thinks she can use him.
Word of Yousuke being single spreads fast (an omen for what’s to come), and Wang Mei Yu, friend of Shiina Hiyori, contacts Kiyotaka to ask him about Yousuke. He gives her some pretty decent if boilerplate advice about taking it nice and slow since Yousuke probably feels bad about having failed to make Kei happy. Wang is surprised how approachable and easy to talk to Kiytaka is. I have to think Wang will serve a meatier purpose down the road.
That night, Suzune meets Kiyotaka down by the water to report that there are some scandalous rumors now circulating about Ichinose Honami. Arisu is one of the prime suspects, and Kiyotaka further posits that if there’s a kernel of truth to the rumors, it increases its plausibility among the students. Kiyotaka advises no action; they’ll see how this plays out.
Suzune is less patient, and invites Honami over to strategize. While Honami appreciates “their” concern, she’s decided to remain silent about the rumors and simply weather the storm. She doesn’t want them or anyone else getting involved, lest it harm Class B or C.
After Honami excuses herself, Suzune insists they have to help Ichinose because Arisu is their mutual enemy right now. Kiyotaka dismisses her sentiments as “pure idealism.” If Class A can destroy Class B without any cost to Class C, that’s just fine with Kiyotaka.
When Kiyotaka leaves Suzune’s, he finds Honami is still hanging around. She wasn’t listening in on him telling Suzune doesn’t care what happens to her, because she again expresses her gratitude to him, but doesn’t want him to worry about her.
Honami insists she’ll be fine, but the next day every locker has a note stating Ichinose Honami is a criminal. It’s a bold escalation, but at least in the moment Ichinose refuses to respond or take any provocative action. That said, her friends urge her to get an adult involved, which is possibly part of the rumormonger’s plan.
Kiyotaka is Mr. Popular this week, bouncing from one conversation to another, culminating in a girl he’s never met approaching him outside his apartment. Introducing herself as Class A’s Kamuro Masumi (and voiced by Sakura Ayane), she rejects his offer of coffee or tea and asks for—and receives—cocoa instead. Noting how wary he seems of her, Masumi correctly observes he’s nothing like Yamauchi, the potato-kun Arisu spoke to.
Masumi works for Arisu, but she doesn’t know she’s here talking with him. She ended up under Arisu’s employ when she was caught shoplifting a beer, not to drink but for the thrill of it. Arisu blackmailed her, and now keeps her busy so she doesn’t have time to shoplift. Apparently, Honami has a history of shoplifting too.
Masumi tells Kiyotaka he’s the one Arisu is “most worried about” and wants Kiyotaka to stop Arisu. Kiyotaka rightfully suspects this is all a ruse, and that Arisu simply sent Masumi here to compel him to drag Class C into the fighting. Masumi says she’ll prove she’s telling the truth … by lifting him a beer.
Of course, this just proves she’s good at shoplifting. I’m not sure why Kiyotaka suddenly decides to trust her … and maybe he doesn’t, and simply says he will. In any case, whatever he does next will be equally informed by news he receives from Manabu: Kikyou has made contact with President Nagumo.