kisaragi gunma, seto ichitaka, yoshizuki iori, i"s, 1boy, 1girl, blush, breasts, brown hair, clenched teeth, clothed sex, desk, doggystyle, from behind, grabbing another's breast, groping, hetero, indoors, looking at viewer, necktie, nipples, open mouth, school uniform, serafuku, sex, sex from behind, short hair, skirt, small breasts, teeth, text focus, thighhighs, torso grab, vaginal, zettai ryouiki