On the day she turned eighteen, Yukinoshita Rin learned that her family's ancestral sword skills were practiced for others.
She carried a knife and fought her way from her hometown to Tokyo to find the young man named Yuma Yamai.
"I am your retainer."
"Huh?"
Both of Yuzhen's parents are dead, and her biggest worry is that she can't beat others in games. He thought a sparring partner was coming, but instead it was a bodyguard with a knife.
The shadows of gods are wandering in the world, and the swords and swords shaped like family patterns are shining.
It turns out that this world is much more dangerous than the arcade.
