hu.to, tsukumo ima, tsukumo kako, the hundred line -last defense academy-, highres, 1boy, 1girl, :d, apron, border, brother and sister, butler, collared shirt, double bun, dress, frilled apron, frills, full body, greyscale, guitar, hair bun, hairband, holding, holding guitar, holding instrument, instrument, long hair, looking at viewer, maid, maid apron, maid headdress, monochrome, official alternate costume, open mouth, ornate border, pants, shirt, siblings, smile, tailcoat, thighhighs, twintails