Yuna Yuki, her best friend Mimori Togo, and sisters Fu and Itsuki Inubozaki, ...
Yuki Yuna Is a Hero
Season 1 Episode 2: Noble Thoughts
With the Vertex able to regenerate its wounds, Fu has Yuna and Itsuki perform a sealing ritual in order to expose its core. Working together, Fu and Yuna manage to destroy the core, defeating the Vertex and returning everyone to the real world. The next day, Fu explains that she was tasked by her organisation, the Taisha, to grant hero candidates the power to fight against the twelve Vertex that threaten Shinju. Mimori, frustrated that she couldn't help everyone during the battle, direct...