Gashin bumps into Yuusei and learns that his foster brother has accomplished a great feat. He built an autonomous city for the Japanese people to safely live in. Yuusei asks Gashin to join him and live a normal life, but not everything is as it seems.
--A mission?
--Yup, and it'll be quite the challenge.
Ja, und mit denen ist nicht zu spaßen.
-¿Una misión?
-Sí, y será todo un desafío.
– Une mission ?
– Oui.
— Uma missão?
— Sim, e será um belo desafio.