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?!
But this is...
...ولكنّ هذا
Pero…
Mas isso é...
Н-ну, не знаю...