Mado King Granzort: Bouken-hen - Recommendations

• Ch: 27+
• 2019 - ?

A droid picked up an abandoned child and decided to raise it.

• Vol: 3; Ch: 14
• 2012 - 2014

Six years ago, Tsukihiko was caught in an assassination attempt on a little girl, Sami, when he attempted to be her shield. This incident nearly killed him and the girl together, but the little girl was the daughter of an extremely powerful family. With its vast amount of resources, the family was able to keep both Tsukihiko and Sami alive by recreating both of their bodies with cyborg technology. This has forced Sami to permanently rely on wired connection to her life sustaining computer. On the other hand, Tsukihiko has become a cyborg "Knight," sworn to protect Sami from harms way.

• Vol: 3; Ch: 21
• 1965 - 1967

It’s a battle for the fate of Earth between a space invading army lead by the ominous being named Goa vs. Earth’s defender, Magma, the giant robot—and Mamoru, a news reporter’s son, that’s caught right in the middle. Can Mamoru team up with Magma to save the planet?  

• Vol: 1
• 1934 - 1936

• Vol: 2; Ch: 13
• 2012 - 2013

Meldina hates humans, and wants nothing to do with them. Since her parents' deaths, she has desired to live surrounded by machines, and everyone in town thinks she's a weirdo. One day, she meets a big machine that she names Machina and treats it as a friend. Her meeting Machina, as well as meeting a potential friend in a girl named Alisa, kicks off a series of events that bring to light dangerous secrets about herself and about her parents' deaths.

• Vol: 2; Ch: 9
• 2014

On the first day back after summer break, high-school student Aoba is attacked by a giant robot that appears out of the sky. As he's pursued through the city, his classmate Hina appears in a robot of her own. She rescues him, and tells him cryptically that "Dio is waiting for you," before she disappears. This begins Aoba's new life as the pilot of the Free Treaty Alliance against the Great Zogilia Republic.

• Ch: 163
• 2018 - 2020

Pullan Gwen is an engineer framed as a traitor after an energy crisis. In order to prove his innocence, he flees and comes across a mysterious mech. The journey of Pullan Gwen as he goes from place to place gathering allies and enemies.

• Vol: 1; Ch: 11
• 2012 - 2013

• Vol: 2; Ch: 10
• 2012 - 2013

• Vol: 1; Ch: 9
• 2005