Tsukasa Asuka decided to go to London for a short time, the place of his birth, to find the disappeared mother and the girl from his vague memories. There the boy meets one "Beast" and inadvertently gets involved in the battle. This is a story about a boy, swirling ancient city, and magical beasts.

When Lord El-Melloi II, the later Waver Velvet, gets asked to claim his inheritance over Adra Castle, he travels there with his apprentice Gray to do so. But they are not the only ones called that way. The will of the previous owner states that the assembled contestants - including Luviagelita Edelfelt - must compete in a game of wits to win the castle.

From the back cover via Manga Abyss:

"My inheritance is a company that rents out magic users...what!?"

The extremely scared Iba Itsuki receives his inheritance left to him by his missing father: the Magic User Rental Company Astral. The magic users are rented out to customers to solve problems as requested.

How will Itsuki deal with the fate of being president when he's never studied mage-craft!?

On the corner of Chinatown, the two of them crossed, The boy name is Inumi Haserou, high-school bodyguard who takes 1000 yen for each trouble; the girl name is Nata, self-styled Sage who mysteriously collapsed in the back alley. Deciding to protect Nata, Haserou would have to face the sudden change in his daily peaceful lives, as a group of Vampiric being who consumed people Ki, called [Demonic Sage] starts to attack them. Their purpose: to hunt Nata, who holds the key as the powerful weapons capable of turning them powerless! Comicalization of a new series written by the Author of Rental Magica, starts here!