Kyuuseishu who has been "abducted" to save the alternate world, Soukaizan!

The story is about a 9-year old boy named Wataru Ikusabe that is magically transported to a magical realm of the gods called Soukaizan which he is supposed to save. In his quest to save the realm, he manages to transform a clay sculpture into a somewhat autonomous (small) Super Robot. 
(Source: Wikipedia)

__Agency:__ Aoni Production

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A Japanese actress, voice actress, and narrator. She received the Kazue Takahashi Award at the 5th Seiyu Awards.

After the battle with Doakuder at Soukaizan (the "other" world where the rainbow has disappeared because of the devils), a demon world Devil came to Genseikai (human world) and stole Wataru's conscience. Because of that, Wataru's heart of justice and his memories of being Kyuuseishu (world savior) vanished. After Shibaraku and Himiko brought him back to Shinbukai (the "other" world, where Soukaizan is located), Wataru regained his memories, however his conscience was still missing. To get it back, Kyuuseishu Wataru must return to fight the devils, rescuing all of Soukaizan from catastrophe! 
Chou Mashin Eiyuuden Wataru is the 3rd work of the Mashin Eiyuuden Wataru TV series by SUNRISE, and is considered as a "remake" series of the previous Wataru series. It started airing from October 2, 1997, and ended on September 24, 1998, every Thursday from 6:00 to 6:30pm, with a total of 51 episodes. 
(Source: AniDB)

This is the sequel to Mashin Eiyuden Wataru first season. 
Wataru has been lived happily on earth after he defeated Doakudar. When he plays around with his friend, Ryujinmaru appears and ask him to fight again. It appears that the 7 Stars Mountain, the source of Mt. Soukai's rainbow, have been taken over by Doakadar (Doakudar's brother). If all the stars mountain loses their brightness, Mt. Soukai's rainbow will fade and everyone will live in the darkness for eternity. Once again, Wataru has to go through all the 7 stars system and destroy this new stronger enemy.

Series protagonist Wataru, who goes to the world Soukaizan in response to a call about an incident there. An evil presence shrouds the area, and the robot Ryuujinmaru's power has been sealed. Together with his friends Shibaraku, Toraou, and Himiko, Wataru begins a new journey. 
 
(Source: Anime News Network)

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)

Set a few months after the original series, Wataru is called into action once again!

This adaptation of Wataru will show new aspects of the world Soukaizan.
 (Source: Natalie, translated)