An old man from Amaurot, a town in Agartha. He is the grandfather of Mana. His daughter, Dinah, married a man who was a Topsiders. 

Strange sounds in the darkness... Unearthly music from an old crystal radio... These are all the warning Asuna Watase has before a simple walk to her clubhouse catapults her into a nightmarish adventure that will take her beneath the Earth to a lost land beyond the realm of legend! Attacked by a strange monstrous creature, rescued by a mysterious stranger and pursued by a relentless enemy, Asuna finds herself enmeshed in a centuries old mystery that will bind her to a strange young defender and lead her inevitably, towards a secret that may hold the key to life itself! <br><br>
(Source: Sentai Filmworks) 

Tamio Ooki was a Japanese voice actor. He was affiliated with Mausu Promotion.

Roujin