6+girls, anniversary, artist name, black gloves, black hair, blue eyes, blue hair, blue hairband, blue sailor collar, blue skirt, blunt bangs, blunt tresses, brown eyes, brown hair, copyright name, dated, dress, elbow gloves, folded ponytail, glasses, gloves, green eyes, grey hair, hair bobbles, hair ornament, hair ribbon, hairband, headgear, index finger raised, long hair, long sleeves, low ponytail, medium hair, multiple girls, necktie, pink eyes, pink hair, pleated skirt, ponytail, red necktie, ribbon, sailor collar, sailor dress, sailor shirt, school uniform, semi-rimless eyewear, serafuku, shirt, short hair, short ponytail, sidelocks, skirt, sleeveless, sleeveless shirt, smile, tress ribbon, twintails, under-rim eyewear, upper body, white shirt