Honkai Impact: the Holy Sword and the Vampire Who Write the Story

Single heroine + Honkai Impact 3 + Kamen Rider Holy Blade A holy sword forged by humans. When someone who wants to ignite it appears, the holy sword that can connect the stars, gather strength, and lead the story to the end is born. That is... The Ten Holy Blades of the Blade King! When the holy sword that can rewrite the story and the vampire born from the experiment, what kind of sparks will they create? Let us stay tuned!