Jun has brown eyes, black hair that covers his right eye, and pale skin.  Jun is a rather warm and caring person who is highly protective of his friends, particularly Tatsuya, whom he had forged a tight bond with since they were children. Loves flowers and is very knowledgeable of them and their meanings. Hobby-wise, Jun understands flower language and likes astrology. He is also highly intelligent and philosophical; loves inventing, and excels at both math and physics.