1boy 1girl bar_censor blush bow bowtie cardigan censored collared_shirt grin hair_between_eyes hair_ornament hair_ribbon hairclip highres long_sleeves looking_at_viewer motion_lines navel nijisanji nipples open_cardigan open_clothes open_shirt paizuri penis pink_hair precum purple_eyes red_bow red_ribbon ribbon school_uniform shiina_yuika shiina_yuika_(1st_costume) shirt smile sweat virtual_youtuber white_shirt yellow_cardigan yukamikayu