Kou Yotsurugi

Kou Yotsurugi (世 (ょ) 剣 (つるざ) 釦 (コウ) , Yotsurugi Kō) is one of the characters of the Japanese manga series, Astro Royale. He is the 11th adopted son of Kongo Yotsurugi, the head of the Yotsurugi Family.