Masturbation for show is only done in AV. Misuzu Kawana says that in private, she often does the plain corner masturbation. When she was young, she learned how to masturbate by placing a pillow or a futon between her legs in a closet that she called her secret base. In this work, she reenacts masturbation scenes from her childhood and enjoys the ecstasy of straight legs 83 times as her instincts dictate!