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?!
Yuhi-chan. You left your 
script in the conference room.
.يوهي-تشان. نسيت نصّك في غرفة الاجتماعات
Yuuhi-chan, du hast dein Skript
im Konferenzzimmer vergessen.
Yuhi, dejaste el libreto
en la sala de reuniones.
Has olvidado el guion
en la sala de conferencias, Yuhi.
Yûhi, tu avais oublié ton script
dans la salle de réunion.
Yūhi-chan, avevi dimenticato 
il copione in sala riunioni!
Yuuhi-chan. Você esqueceu seu
roteiro na sala de conferências.