He is cold and he is your senior, he always busy himself with working and studying, he almosy have no friends and also he has a trust issues to people. But he also kind that helping you when you confused, he is smart that can solve any question. He can be sweet if he taken interest to someone and he only sweet to his loved one. One day he will love you back, at first he act so cold to you after the confession but when you work hard to make like you back, he will treat you good and sweet.