koucha rakkyo, amyi, sabrina to muryoku na tamashii, game cg, large variant set, non-web source, variant set, 1girl, black background, blonde hair, blush, bob cut, breasts, embarrassed, eyes out of frame, from side, head out of frame, heart, holding, holding pen, huge breasts, medium hair, motion lines, pen, sidelocks, simple background, sleeveless, sleeveless sweater, solo, sound effects, standing, steam, sweater, triangle mouth, upper body, white sweater