1girl, p, aya_carmine, braid, collared_shirt, greyscale, long_hair, looking_at_viewer, millipen_(medium), monochrome, sayonara_wo_oshiete, school_uniform, shirt, side_braids, skirt, smile, solo, sugamo_mutsuki, tentacles, tongue, tongue_out, traditional_media, underbust, upper_body, very_long_hair, vest