Resized to 70% of original (view original)
Artist's commentary
Little sister need help to study
Little Sister: "Oni-cha-! I What I want to ask is-"
Older Brother: "Hmm? Language isn't it? "
Little Sister: "Then why we doing sex!? "
Older Brother: "No, I want to teach 'Health and Physical Education'"
Little Sister: " "