onigirikun, kouenji sayuka, yanase kyouhei, choukou (alicesoft), choukou tenshi escalayer, game cg, non-web source, official art, variant set, 1boy, 1girl, blue eyes, blush, breasts, brown hair, buruma, classroom, covered erect nipples, glasses, grabbing another's breast, grabbing from behind, groping, gym uniform, hair intakes, hair ribbon, hetero, large breasts, long hair, open mouth, ribbon, rimless eyewear, solo focus, sweat