If you're looking for anime similar to Hunter Age, you might like these titles.
Paul is a young boy whose friend Nina is kidnapped by Belt Satan, the demonic ruler of another world. He daringly goes on a mission to rescue his friend. Pakkun, a plush doll with magic powers, aids him as they plunge into Belt Satan's dimension of living toys. Paul's journey is beset by many difficulties, but he also encounters a variety of delightful wonders
This is a folk-tale-like adventure story of an active boy on a quest for the Water of Life. The boy sets out on this quest after learning that the Water of Life is needed to make his village happy. On the way, he meets gods, demons... Soon, he discovers that the evil snake has stolen the Water, and he heads for the snake`s palace. Defeating the snake is not easy since it has the Water of Life to revive itself. This boy - Maegami Tarou - continues his courageous quest in cooperation with various creatures and the gods.
The young prince Pietro of PopoloCrois and his forest witch friend Narcia are playing one day when GamiGami Maou – the self-proclaimed arch nemesis of Pietro – initiates a scheme to take over the kingdom. When his plan to switch his castle with that of PopoloCrois backfires, it creates an explosion in the middle of the forest. Amongst the debris, Pietro and Narcia stumble across a young girl, though before they can find out who she is, GamiGami Maou attacks them! Luckily, the power of the dragon blood within Pietro saves them and they are able to restore the forest to its original state before returning home. They later find out that the mysterious girl is named Hyuu and she is one of the wind-kind, a race that died out many years ago. With very few memories of her previous life remaining, Hyuu and Pietro are determined to discover the truth behind the fate of Hyuu’s people, and find a way for her to return to her own time.
Jack and his animal friends must fight a powerful witch that wants to transform living beings into slave harpies. Nearly brainwashed by one of her minions, he and his pals enter her castle to face the sorceress and her army of underlings.