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?!
Just once...
...هذه المرّة فقط
Nur einmal …
Solo una vez.
Solo diré esto una única vez.
Una vez…
Une seule fois.
Una volta sola.
Só uma vez...
Всего один раз.