1girl, black_shirt, blush, bouncing_breasts, breasts, brown_hair, clenched_teeth, closed_eyes, collarbone, hair_over_one_eye, ikari_manatsu, instant_loss, kamihira_mao, large_breasts, lying, motion_lines, multiple_views, on_back, original, pillow, sheet_grab, shirt, short_hair, smile, teeth, trembling, upper_body