Based on the conversation on the show, the two of them have a sleepover at Chika's fancy house. Yumiko's happy to see Chika enjoy the dinner she cooked. Then for some reason, they end up taking a bath together. How did it come to this?!
Now you're just being insulting.
.إنّك تتفوّهين بكلام مهين فحسب الآن
Jetzt beleidigst du mich.
Gleich setzt es was.
Eso último fue un insulto. Te golpearé.
¿Me estás insultando? Te reviento.
Là, tu me cherches.
Je vais te frapper.
Questo è offendere, no?
Guarda che ti picchio!
Agora você quer me ofender.
Будешь ещё обзываться — точно получишь.