Fastening Days  

Yoji and Kei, a boy and girl living in a town not far away with their foster parent Anna. Despite appearing ordinary, they possess a secret known only to them - they are superhero defenders of their town! Alongside their robot bear companion Oscar, the duo uses their handmade high-tech machinery to safeguard the citizens from danger. However, an impending threat looms over the peaceful serenity of their town. Discover how these young heroes overcome this crisis in a near-future animation that promises excitement!