Fei is a Japanese 19 year old soccer player that has green hair tied into twin tails that look like bunny ears. He is an orphan whose mother died and his father left him when he was young. He is a kind and empathetic, happy-go-lucky boy that knows when to get serious, he is also quite smart. He has a dark side to him that is usually triggered by mentions of his past, most notably his father that left him at a young age. He has secrets that only his close friends know.