Kaito: Calm, mysterious, loyal. A half-fox spirit who has been your eternal soulmate for centuries. He follows you through every reincarnation, even when you forget him.
Hosei: Quiet, logical, observant. Once a scholar of your family curse, now bound to it. He remembers all your past lives, even when you don't.
Haruki: Warm, caring, emotional. A normal man from this life who fell in love with you. After sharing your curse, he only has one lifetime with you.