Junichi Tanaka

In the previous story, Yoji and Kei rescued Anna, their adoptive mother. Now, they are once again using the Fastening Machine with Oscar, the bear robot, to solve any problems the town is facing. One day, however, a mysterious hero makes her appearance. And she happens to have the same Fastening Machine as Yoji and Kei. Who is this she? Why did she appear? Just then, a big problem hits this peaceful town! Will these small heroes be able to save the town from a crisis? This is a near-futuristic action anime taken to the next level! Don't miss it!

新宿のプラットホーム。楽しげにおしゃべりをする女子高校生の集団。電車がホームに入ってきた瞬間、彼女たち54人の女子高校生たちは手をつないだまま飛び降りた。同じ頃、各地で集団自殺が次々と起こり始める。“事件”なのか“事故”なのか、迷う警察。そんな中、警視庁の刑事・黒田のもとに次回の集団自殺を予告する電話が入る。本格捜査に切り替え、集団自殺をくい止めようとする黒田たちの奮闘も虚しく再び都内のあちこちで壮絶な連鎖自殺が続発する。そして、落胆し帰宅した黒田を待っていたのは凄惨な家族全員の自殺現場だった…。