akimaru138, tsukumo ima, tsukumo kako, the hundred line -last defense academy-, commentary, highres, 1boy, 1girl, :d, black bow, black hairband, black sailor collar, blush, bow, bow hairband, bowtie, brother and sister, chibi, chibi inset, double bun, gakuran, glowstick, hair bun, hairband, hand fan, heart, holding, holding fan, jacket, long hair, open mouth, pants, penlight (glowstick), pink background, pink eyes, pink hair, purple eyes, purple hair, red jacket, red pants, red serafuku, red skirt, sailor collar, school uniform, serafuku, short hair, siblings, skirt, smile, twins, twintails, white bow, white bowtie, white streaks