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?!
If you're that curious, you can touch them.
.يمكنك لمسه إن كان الفضول يقتلك
Wenn dich das so interessiert,
darfst du sie mal berühren.
Si tanta curiosidad tienes,
puedes tocarlos.
Si sientes tanta curiosidad,
puedes tocarlas.
S’ils te fascinent tant,
t’as qu’à les toucher.
Se ti attira così tanto, toccalo pure!
Se você está tão curiosa, pode tocá-los.
Если так нравится, можешь и потрогать.