Children who died before their parents change their 'cause of death' into weapons, and kill each other over chance of resurrection....
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Stroboscope
Astro Boy
Devil's Thoroughbred
Robot
Me & Roboco
Robotics;Notes
Robo to Usakichi
Crossbone Tanteidan
Robot Keiji
Robot x Laserbeam
Crossbone Gundam: Skullheart
Robotics;Notes - Revival Legacy
Robotics;Notes - Senomiya Misaki no Mihappyou Shuki
Good Robot
Giant Robo
Giant Robo: The Day the Earth Burned
Tonari no Robot
UFO Robo Grendizer