1girl, bed_sheet, black_bra, black_panties, blue_hair, blunt_bangs, bocchi_the_rock!, bra, breasts, breasts_apart, collarbone, holding, holding_phone, knee_up, looking_at_viewer, lying, medium_breasts, navel, on_back, panties, phone, see-through, see-through_shirt, shiitake_taishi, shirt, solo, underwear, white_shirt, yamada_ryo, yellow_eyes