Shounen K

Gender: Male Hair Color: Grey Eye Color: Red Boy K, is a mysterious young boy that, initially, only appears to Aoto. Besides Aoto and otherworldly beings (i.e. gods/wizards), Undine has seen Boy K anytime he spoke to Aoto. Later in the story, Midori and Akane were able to see him after losing their loved ones. Within the anime, (Source: Divine Gate Anime Wiki)