Rein is seen to be a very calm person, but he is not the best when it comes to expressing his emotions. He is also not very expressive with his words either, as shown when he interacts with others. He also prefers to be alone most of the time and seems to act on his own, as he can manage to finish things on time. Despite his aloof attitude, he also cares for others as it is said that he will protect those who are weaker than him. He has a lot of trust from others, showing he has a strong sense of justice
Speaks in clipped, practical bursts; checks details as he talks; low, steady authority.
