After passing away from the past in the world of souls, his soul accidentally traveled to the future world. In the future world, the owners of soul marks are almost extinct. On the contrary, the owners of soul marks, which were once the lowest souls, have mastered the world today...
Anchou secretly vowed, "I must revive the world of spirits!"
But he had no choice but to be born into a poor family, with a snobbish teacher, classmates who compare with each other, and Mr. Mu who likes to tease him...