m-ca, mca (dessert candy), kagamine len, kagamine rin, gekokujou (vocaloid), vocaloid, bad id, bad pixiv id, 1boy, 1girl, aqua eyes, blonde hair, brother and sister, flower, gekokujou, gradient background, hair ornament, hair ribbon, hairclip, hand on own hip, holding, holding sword, holding weapon, japanese clothes, katana, polearm, purple background, ribbon, sarashi, short hair, siblings, smile, spear, swept bangs, sword, twins, weapon