1girl, arm behind head, black hairband, black ribbon, blush, buttons, closed eyes, collared shirt, frilled skirt, frills, green skirt, green vest, grey hair, hair ribbon, hairband, hitodama, holding, holding sword, holding weapon, katana, open mouth, ribbon, shirt, short hair, short sleeves, simple background, skirt, smile, solo, sword, twitter username, vest, weapon, white background, white shirt