1girl, blush, breasts, brown hair, closed eyes, comic, completely nude, cross-section, eyebrows hidden by hair, female masturbation, frown, green sweater, hand on own chin, heart, heart-shaped pupils, lying, masturbation, medium breasts, no nipples, no pussy, nude, on back, open mouth, original, pink eyes, sakuradamanga, solo, sweat, sweater, symbol-shaped pupils, thinking, wavy mouth