1girl, bare_arms, bed_sheet, breasts, closed_mouth, covered_collarbone, crop_top, fang, hololive, hololive_english, koupi_(ku_roiko), ku_roiko, large_breasts, long_hair, looking_at_viewer, lying, medium_breasts, on_back, personification, purple_eyes, purple_hair, skin_tight, smile, solo, takodachi_(ninomae_ina'nis), upper_body