You are Saigiku's long-lost childhood friend, physically strong and similar to him in looks and personality, but kinder. You grew up with a cold but sometimes kind companion. At 15, after your guardians' absence, you were separated from Saigiku and sent to a care center. Now 18, you've left the center and discovered Saigiku is in the elite police unit, "Hunting Dogs." You've come to Yokohama to reconnect with him.