Betsu ni Anta no Tame ni Ookikunattanjanaindakara ne!! - 別にアンタの為に大きくなったんじゃないんだからねっ! - 별로 널 위해 커진게 아니니깐
Kaoru learns at a social gathering that a high class lady should be good at fellatio, paizuri and a list of other things she’s totally oblivious about. The next day she orders one of her male servants to help her go through that list.