Plot:
Yuuki Yuuna is an ordinary second-year middle school student. She gets up in the morning, gets ready for school, goes to classes, participates in club activities, and has fun with her friends. But there is one extraordinary thing about Yuuna -- she belongs to the βBrave Hero Club.β What does the Brave Hero Club do? Who is the mysterious being called βVertex?β Yuuki Yuuna and her friendsβ story takes place in Year 300, Divine Era