『お兄ちゃん私意外と胸大きくなったでしょう？』『いや全然』『むしろそれ（微乳）が最高（心の声）』狭いお風呂で妹に背中を流してもらっていたら…
"Big Brother, my breasts have gotten bigger than I expected, haven't they?" "No, not at all." "In fact, that (small breasts) is the best (inner voice) ." When my sister washed my back in a small bath...
