Learning to Slay Demons at Bureau 749

Our world has changed.

A scarlet meteor streaked across the sky, and monsters from myth appeared.

...Beneath the dazzling neon lights of the city lurked horrors unknown to the public.

A colossal creature rose from the depths of the ocean... unleashing an apocalyptic tsunami...

The glass curtain walls of skyscrapers reflected monsters from myth.

The Abyss of Chaos had arrived!

Someone had to put an end to all this.

"If the Abyss is about to descend..."

"I, Su Yun, investigator for Bureau 749,"

"...have only one sword!"

"This sword can keep humanity safe."

"This sword can slay the strange and the evil."

"If you wish to hold up a collapsing tower, then rise to your feet!"