|Spoiler Alert: This page contains spoilers. Read at your own risk.|
Isamu, the current Head of the Itsuwa Family is an executive for an Ocean Freight Shipping Company, and he also happens to be the owner of the company. 
The Itsuwa Family also owns several other residences including one in Tokyo where Mio and Hirofumi live together because he started attending the Magic University there after she graduated. 
The Itsuwa have a large number of employees. 
Area of Influence
The Itsuwa Family's influence encompasses specifically the Shikoku region. During the Master Clans Conference held every four years, the Head of the Itsuwa Family gives a report on the status of the region they monitor. 
- Family Head : Itsuwa Isami (五輪 勇海)
- Children :
- Daughter : Itsuwa Mio (五輪 澪) - is one of two Strategic-Class Magicians in Japan, but the only internationally recognized one, which makes her a member of the Thirteen Apostles. It's mentioned that the Itsuwa clan is barely holding on to its status as part of the Ten Masters Clans, only securing the position thanks to Mio.
- Son : Itsuwa Hirofumi (五輪 洋史) - is Mio's younger brother who attends the Magic University. He is also to be the next Head of the Itsuwa Family.
- ↑ 1.0 1.1 1.2 1.3 Volume 17, Chapter 5
- ↑ Volume 13, The Ten Magician R&D Institutes
- ↑ Volume 8, Chapter 15
- ↑ Volume 11, The Ojou-sama's Magnificent Day Off
- ↑ Volume 5, Friendship, Trust and the Dubious Lolicon