1girl, bed_sheet, black_bra, bra, breasts, from_behind, grey_hair, grin, hair_between_eyes, hair_ornament, hololive, hololive_indonesia, ku_roiko, looking_at_viewer, looking_to_the_side, lying, medium_breasts, navel, on_back, own_hands_together, smile, solo, strap_slip, underwear, underwear_only, upper_body, vestia_zeta, virtual_youtuber