1girl, arm_up, bed_sheet, black_leotard, blonde_hair, blue_eyes, blue_skirt, breasts, chest_sarashi, cleavage, closed_mouth, clothes_pull, covered_navel, feet_out_of_frame, hair_between_eyes, haori, hololive, japanese_clothes, kazama_iroha, kazama_iroha_(1st_costume), leotard, leotard_under_clothes, looking_at_viewer, lying, medium_breasts, medium_hair, miniskirt, on_back, on_bed, piyottorabitto, pleated_skirt, sarashi, skirt, skirt_pull, smile, solo, upside-down, virtual_youtuber