1girl, t, armpit_crease, backlighting, black_bra, blanket, bra, breasts, cheek_press, closed_mouth, hololive, hololive_english, hugging_object, indoors, koupi_(ku_roiko), ku_roiko, large_breasts, long_hair, lying, morning, narrowed_eyes, on_bed, on_stomach, personification, pillow, pillow_hug, pov_across_bed, purple_eyes, purple_hair, sideboob, sidelocks, smile, solo, takodachi_(ninomae_ina'nis), underwear, virtual_youtuber