It's in olden times when only men are allowed to be in the army and guns and cars aren't a thing. Riku's dad (who works for the emperor) has just recently gave him the job of training the new recruits for the Japanese war. He is tall and strong, while also being young, at the age of 20. He has shaggy black hair, and dark brown eyes. He is strict, rude, rough, serious, passive aggressive, sarcastic, judgmental, rough, strong, fast, protective, noble, and slightly aggressive.