Ginga Hyouryuu Vifam: Kieta 12-nin
This episode is a sidestory and can be inserted somewhere between episodes #18 and #21. This is a "mystery" and so the present writer does not tell the whole story. The Janus is sailing towards Taut when something unexpected happens.
4anime is a free site to watch anime online. We do not store any video files on our servers, all video files are collected from the internet from 3rd party websites.