1girl, armchair, bare_legs, barefoot, blue_hair, blush, chair, confetti, dolphin_hair_ornament, fang, full_body, grey_hoodie, happy_birthday, hood, hood_down, hoodie, jacket, kaguya_(srx61800), legs, long_sleeves, looking_at_viewer, lying, miniskirt, nijisanji, nishizono_chigusa, nishizono_chigusa_(1st_costume), on_back, on_chair, open_clothes, open_jacket, open_mouth, pillow, print_hoodie, red_eyes, school_uniform, selene_girls_school_uniform, short_hair, sidelocks, skin_fang, skirt, smile, solo, thighs, v, virtual_youtuber, w, white_jacket