Kiyo`s father shows Kiyo a stone tablet that features a Mamodo creature with demonic writings at the bottom and tells Kiyo to phone him if he finds out what the stone tablet is. Kiyo and Zatch return to Japan and while retrieving his baggage, Zatch finds his horse friend. The horse takes an instant dislike to Kiyo but accompanies them home. Kiyo realizes that the horse is a Mamodo when he finds its book. Angered by the Mamodo`s attitude towards him, Kiyo kicks it out of his home. He is then pressured by his friends to find the horse. Kiyo finds the horse trying to find a book owner and Tio explains how lonely it was without a book owner during the Mamodo battles. Kiyo then decides to let the horse stay with him until he can find his book owner. Kiyo then names the horse Mamodo Ponygon.