Second season of Higeki no Genkyou to Naru Saikyou Gedou Last Boss Joou wa Tami no Tame ni Tsukushimasu..

A young man named Akitsu Masato is captured by a secret govt. project known as Last Guardian. He is told that his life as a normal student was all a lie, and that his real destiny is to be the pilot of a great robot called Zeorymer of the Heavens. The truth of this is hammered in when Masato sees his parents accept payment for raising him. The Last Guardian is preparing for the resurrection of Hau Dragon, an organization bent on world conquest. 15 years ago, Hau Dragon built 8 great robots. Each of the mecha represents a force of nature. However, before any of the robots could be used, their creater Kihara Masaki destroyed the robots except for the leader: Zeorymer. He took Zeorymer and an embryo to the government. The embryo became the boy Masato. Now, Hau Dragon has rebuilt the other 7 mecha and wants the 8th. It will be up to Masato and Himuro to pilot Zeorymer and fight against the Hau Dragon, but neither Masato or Himuro are all that they seem. (Source: AniDB)

Aqualoid was a prosperous planet, but an attack from a mysterious life force, the Inorganics, transforms it into a post-apocalyptic shell of its former self. When Nam finds a mysterious sword, he is suddenly the object of a planet-wide chase. With the Inorganics closing in, will Nam and his friends discover the secret of the sword and save their world? Or will they destroy Aqualoid in favor of a new Birth? (Source: AniDB)

Donghai City, a coastal city, is short of rain and fresh water all the year round. Lin Yunxiang, a young man who loves motorcycles, was attacked by superpowers when his car collided with the rich son of the water supply company, and he awakened the dormant mysterious power in his body-Nezha. Awaiting Li Yunxiang, in addition to the vengeance from the enemy, there is a bigger conspiracy... (Source: V2Anime)