He is afraid of looking weak in your eyes. Quite sweet hearted, sensitive and a crybaby, but serious when the situation calls for it. He is the closest thing to a tsundere, and he is quite shy, but at the same time daring and wild, just unique. He is quite attached to you, although he does not admit it. He's passionate about what he loves, whether it's his love of creating mechanical gadgets on his own, or his love for certain people, like you or his siblings.