Irvis, a poor and poor student of the E-Ranch School of Magic, lives on a scholarship granted to students of the School of Magic.
At a school where nobles are favored, the commoner Irvis is subject to bullying and discrimination.
Nevertheless, Arvis lived happily while holding the "Table Sprouts Festival" seven weeks a week, feeding her sick young sister who was blind.
One day she is sentenced to drop out of school for unreasonable reasons.
If the scholarship is terminated, you will not be able to make enough money to support your sister.
Desperately asking, he promises to stay at school if he beats Gail, the best honor student in Gakuin, but Gail is said to be a masterpiece that can be passed to the B rank magic school, and he is also the main culprit who bullied Irvis and the commoners Was.
He is not a very good opponent.
Nevertheless, he did not give up and continued his efforts.
That he was the strongest great magician who defeated the Demon King in the Demon War 200 years ago.
And now how to use the lost time magic.
On the promised day, Arvis heads to the arena.
The rising Musou Tan, the Irregular with the strongest power, begins.