1girl, blue_eyes, brown_shirt, cropped_torso, grey_hair, hair_between_eyes, head_tilt, long_hair, looking_at_viewer, neckerchief, nijisanji, red_neckerchief, sailor_collar, school_uniform, serafuku, shirt, simple_background, solo, upper_body, virtual_youtuber, white_background, white_sailor_collar, yuki_maccha_(yukimattya10), yukishiro_mahiro, yukishiro_mahiro_(2nd_costume)