概要

Youji and Kei, a boy and girl, live in a town in the not-so-distant future with their foster parent, Anna. But these seemingly ordinary children have a
secret hidden even from their unsuspecting mother: Youji and Kei are superhero defenders of their town!

With a flap of their capes, the two of them and their robot bear sidekick, Oscar, protect the citizens in their town with their handmade high-tech machinery.

But from what menace?

And will our little heroes be able to overcome the crisis about to threaten the town's peaceful everyday serenity?

This entry contains the following:

- Fastening Days 1 (1 episode) - Oct, 2013

- Fastening Days 2 (1 episode) - Aug, 2016

- Fastening Days 3 (3 episodes) - Sept, 2017

- Fastening Days 4 (3 episodes) - Dec, 2019

スタッフ

Character Design (eps 3-5)	川野達朗
Prop Design (ep 2)	奥田明世
主題歌 (ED)	パフューム
Episode Director (eps 1, 2)	石田祐康
Episode Director (eps 3-5)	柴山智隆
Episode Director (eps 6-8)	山下清悟
Animation Director (eps 3-5)	川野達朗
Key Animation (eps 3-5)	川野達朗
Illustration (ep 3)	川野達朗
Accesory Design (eps 3-5)	川野達朗