MASHIN EIYUUDEN WATARU: OWARINAKI TOKI NO MONOGATARI

The story is about a 9-year-old boy named Wataru Ikusabe who is magically transported to a magical realm of the gods called Sokaizan which he is supposed to save. He also befriends many of the Soukaizan natives, and forms some very strong friendship bonds.


(Source: Wikipedia)