Gundam Reconguista in G - Season 1 Episode 20 Space Inside a Frame

With Bellri retaking control of G-self, using the Arcane, the fight against the G-IT Corps can truly begin. However beam fights inside the Venus Globe construction are of course extremely dangerous. And while G-self is trying to take out the G-IT leader due to reckless fire the outer hull of a massive space station is damaged, resulting in an unstoppable flow of water turned to ice into space. G-Self follows the waterflow and ends up in a earth like environment. An environment with a sea rapidly draining itself into space........Meanwhile Megafauna tries to outrun the battle and reach the Solaria Ten colony to contact its leader.