agachi (shunya12300724), rio (blue archive), blue archive, absurdres, highres, 1girl, black hair, black halo, blush, breasts, breasts out, breath, bright pupils, clothes lift, cum, cum on body, cum on breasts, cum on upper body, hair behind ear, hair ornament, hairclip, halo, huge breasts, long hair, looking at viewer, lying, millennium science school logo, multicolored halo, nipples, on back, open mouth, pillow, reaching, reaching towards viewer, red eyes, ringed eyes, shiny skin, smile, solo, sweat, sweater, sweater lift, turtleneck, turtleneck sweater, two-tone halo, very long hair, white pupils, white sweater