shiina yuika, shiina yuika (1st costume), nijisanji, commentary, hashtag-only commentary, 1girl, blush, bow, bowtie, breasts, cardigan, chibi, chibi inset, closed mouth, collared shirt, hair ornament, hair ribbon, hairclip, long hair, long sleeves, pink background, pink eyes, pink hair, red bow, red bowtie, red ribbon, ribbon, shirt, side ponytail, sleeves past wrists, smile, sorao (rkrnsarabaneko), virtual youtuber, white shirt, yellow cardigan