Totsuki Mika

There are two worlds: Grimoires, where wizards live, and Grand Earth, where humans live. Theo, a boy who is human but suffers from a special constitution, visits the magical city of Grimoires to learn more about himself. There he meets the great wizard Lucas, who listens to him, but his constitution causes a terrible situation. He also discovers Lucas' surprising secret...! This is a story of the bond between a lonely wizard with a secret and a boy with a special constitution.

One year ago, her parents vanished. Left all alone, Charlotte spends her days working as a maid in the castle. On her days off, she always returns to her family home, keeping it tidy so that her parents can settle back in the moment they return. But one day, she arrives to find a complete stranger inside! With trembling hands, Charlotte grips her wooden sword and prepares for the worst…! Source: Manga UP! Global