1girl, alternate_hairstyle, black_neckerchief, blue_archive, blush, grey_background, grin, hair_down, halo, hat, highres, long_hair, long_sleeves, looking_at_viewer, mutsuki_(blue_archive), neckerchief, purple_eyes, red_halo, sailor_collar, signalviolet, simple_background, smile, solo, very_long_hair, white_hair, white_hat, white_sailor_collar