Kana Minami  

, 観波 加奈

A young girl whom Yuma rescues when she falls from the lighthouse. She's bright and cheerful but keeps a secret about knowing him from long ago. Despite his attempts to find out, she won't reveal what he promised her. She often refers to herself as his bride and tries to hug him. Her cooking is poisonous even though it looks delicious. She admits that her name is fake and refuses to explain why she doesn't use her real one.