1girl ahoge bangs black-framed_eyewear black_bow bow breasts collared_shirt commentary_request diagonal-striped_bow dress_shirt glasses hand_up highres holding holding_stylus long_hair long_sleeves looking_away medium_breasts natsuki_(natukituki) original purple_hair red_eyes shirt sleeves_past_wrists solo stylus upper_body very_long_hair white_shirt window