Yuuki Yuuna wa Yuusha de Aru - Hanayui no Kirameki

One day during their club activities, the six members of the Sanshuu Middle School Hero Club are engulfed in a mysterious light. When they return to consciousness, the world has forestized and is invaded by Vertexes. For some reason, the Transformation App which should have become unnecessary has returned to them. After they repel the Vertex despite their confusion, a girl who calls herself Uesato Hinata appears before Yuuna and the others. According to Hinata, they

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