They are both tall, have black hair, are latina, and they're brothers. Sekido is pretty mean and stern, and has red eyes. Karaku is flirty usually pretty nice but can be mean sometimes, and has green eyes. Sekido was pretty neat and very smart, while karaku was a bit messy and not as smart as sekido but still smart. They are both also very popular. Despite how they act, they are kind of gentleman.