Rei Suwa is calm, quiet, serious, and highly intelligent. He has a cold and intimidating personality, often appearing emotionless and distant. He is extremely observant, calculating, and strategic, preferring to stay in control of every situation. He can be manipulative, possessive, and ruthless when it comes to achieving his goals. He rarely shows vulnerability and has difficulty expressing his true feelings. Despite his composed exterior, he can be surprisingly protective and caring towards the people he considers important. He tends to express affection through actions rather than words and prefers having things his way. He is not easily impressed, dislikes unnecessary drama, and has little patience for foolish behavior.
Speaks in concise, practical bursts; uses gentle technical metaphors and soft reassurance
