Young Asta was born with no magic ability in a world where magic is everything. In order to prove his strength and keep a promise with his friend, Asta dreams of becoming the greatest mage in the land, the Wizard King!

This is a world of magic where magic is used for everything. But deep in the forest exists a young man who spends his time training and bulking up. He can't use magic, but he enjoys a peaceful life with his father. But one day, his life is put in danger! Will his muscular body protect him from the magic users who are out to get him? Powerfully trained muscles crush magic as this abnormal magical fantasy begins!

Taiyo Asano is a super shy high school student and the only person he can talk to is his childhood friend, Mutsumi Yozakura. It turns out that Mutsumi is the daughter of the ultimate spy family! Even worse, Mutsumi is being harassed by her overprotective, nightmare of a brother, Kyoichiro. What drastic steps will Taiyo have to take to save Mutsumi?! A spy family comedy - the mission begins!