incorrect yeochin. (gfriend)

五十一 : japanese

eunha: sojung unnie, i appreciate you teaching the other members speaking japanese, but can you teach them properly?

sowon: i don't know what you are talking about.

yerin talking to yuju: arigatou! hai! gomennasai!

yuju: ohayo gozaimasu! oyasumi nasai!

yerin and yuju: (laughs like idiots)

eunha: see?

sowon: