Adele, a twelve-year-old Chinese girl, never thought that the title of "The Tenth Noble" would break her peaceful daily life of studying Western European metaphysics. When she was awakened by a man in sunglasses using ancient words from another world at Tokyo Haneda Airport, the rift in time and space was quietly torn open. The moment he fell into the pond, the memory of his past life flashed through the reflection of the lens of the elementary school student Takeru Murata, who was reincarnated by the sage. This seemingly accidental encounter tightly entwined the two people from other worlds.
When she woke up in the Cloud Castle in the True Demon Kingdom, Adele's black eyes reflected the blond Paul Fram who was arguing with Shibuya Yuri. The high school demon king who was flushed into another world by the toilet was currently working on the human alliance plan, and his collar was still stained with the icing sugar that Guindaru fed yokan this morning. The hand of the military minister who was knitting the woolen bear paused, and the earth magic scroll slipped from his sleeve, just in time to catch Adele's staggering figure.
"Welcome to the Demon King's afternoon tea party." Junda, the wind magician, came holding a teapot, and his violet hair brushed the contract mark on Adele's forehead. The crystal that shattered when Julia died twenty years ago is resonating in the girl's arms. Adal Beirut, who was peeping in the dark, held the rebel badge tightly. He would never let the newly awakened Tenth Nobleman shake the situation of the war again.
When the beneficial power of the Demon King resonated with Adele's ancient blood, mysterious runes suddenly appeared in the account books of the Kabenikov Chamber of Commerce. The shadow of Queen Jechelil's golden whip pierced the dome of the Council Hall, and the prophecy scrolls left by the three great witches were pieced together in the turbulence of time and space - deep in the Altar of the True King, the "Mirror of the Four Souls" that maintained the two worlds was disintegrating. A modern girl forced to sign a symbiotic contract with the toilet demon
