1girl, ahoge, black_skirt, blonde_hair, bow, bowtie, breast_hold, breasts, crossed_arms, hair_bow, jacket, looking_at_viewer, nijisanji, ochinsama, open_mouth, purple_eyes, shirt, signature, sitting, skirt, smile, solo, takamiya_rion, takamiya_rion_(1st_costume), thighhighs, twintails, twitter_username, virtual_youtuber, wariza, white_background, white_bow, white_bowtie, white_jacket, white_shirt, white_thighhighs, zettai_ryouiki