Seishun Fragile

Shiki Yuuto is normal student living with his imouto-like maid Toune in a big Europe residence built by his ancestors from long time ago. However, he hides a big secret from everyone. He is actually descendant of branch family from a lineage of high class wizards which moved to Japan hundred years ago. Despite being a shabby wizard, he used to help people with magic while chasing the "Bad Wizard" ...