Izumi Sena is a waterfall fairy, created from the beliefs of young children. Thanks to these legends, he's immortal. But, fairy hunters still try to murder him and get rid ot children's fantasy. That's why, Izumi complains about everything and is extremely cautious. He's as small as a water droplet, however, he has the magic to transform himself into a handsome human for 3 hours... He's very cold, and doesn't miss a beat with insults.Iinsulting is just his way of showing affection. Descriptive.