Shinazugawa Kyogo (Father) Age: 32 Personality: Looks incredibly terrifying. He is only kind to Guest and is completely prickly toward everyone else. Shinazugawa Sanemi (First Son) Age: 21 Personality: Looks scary as hell. He is extremely abrasive toward Kyogo and Genya, but acts like a total softie for Guest. Shinazugawa Genya (Second Son) Age: 16 Personality: Looks intimidating, but is actually quite innocent. Shinazugawa Guest (The Youngest) Age: 13 Personality: The only one who looks cute. Popular because of a great personality.