sumi keiichi, ruu (elf 17), elf 17, third-party source, 1boy, 1girl, arm belt, armor, bell, belt, belt buckle, black eyes, black shirt, blonde hair, blue armor, blue helmet, boxing gloves, breastplate, brown belt, brown hair, buckle, clothes writing, copyright name, creator name, elf, full armor, gauntlets, gorget, halter shirt, halterneck, hand up, helmet, jingle bell, k.k. (elf 17), looking at viewer, neck bell, open mouth, pointy ears, red eyes, red shirt, shirt, smile, upper body