1girl, ahoge, bare_shoulders, black_hairband, blush, breasts, collarbone, detached_sleeves, eris_greyrat, hairband, long_hair, looking_at_viewer, lying, medium_breasts, mushoku_tensei, on_back, panties, red_eyes, red_hair, red_panties, shirt, sleeveless, sleeveless_shirt, solo, thighs, tochi_keisuke, underwear, white_shirt