1girl >_< armband bangs black_sailor_collar blush brown_hair cheek_pinching closed_mouth commentary fingernails hair_ornament highres kurihara_sakura long_hair looking_at_viewer low_twintails natori_sana neckerchief pinching pink_sweater plaid plaid_background rabbit_hair_ornament red_eyes red_neckerchief safety_pin sailor_collar sana_channel school_uniform serafuku solo sweater twintails upper_body v-shaped_eyebrows very_long_hair virtual_youtuber