So... is Fastening Days finished or not?
YES, it is finished.
Why?
This is an original anime and all detected relations are finished. Check the release order section for a complete list of relations.
Watching Order (by release date)
Here you have all the anime relations we detected ordered by release date, so you can see the reason for this status in context and also use it as watching order.
The mangas and the non-core contents are excluded by default, but you can enable them by clicking the buttons below:
Fastening Days
Anime - Base
Release date: October 30, 2014
Fastening Days 2
Anime - Sequel
Release date: August 01, 2016
Fastening Days 3
Anime - Sequel
Release date: September 06, 2017
Fastening Days 4
Anime - Sequel
Release date: December 05, 2019
Synopsis
In a near-future town, two seemingly ordinary children, Yoji and Kei, live with their foster parent Anna, unaware of the kids' secret lives.
Yoji and Kei are actually secret superheroes, protectors of their town. They use homemade, high-tech machinery and are aided by their robot bear companion, Oscar.
The anime follows their adventures as they work to safeguard the town from an impending crisis that threatens to disrupt its peaceful existence.