haganemaru kennosuke, kobayakawa yutaka, narumi yui, lucky star, 00s, 2girls, :d, glasses, green hair, hair ribbon, head tilt, headpat, height difference, long sleeves, looking at viewer, multiple girls, open mouth, pink hair, ribbon, rimless eyewear, sailor collar, school uniform, serafuku, shirt, short hair, siblings, simple background, sisters, smile, sweater, twintails, white background, white shirt, yellow eyes