Extreme Flame Wizard ~I can only use fireballs, but I became the strongest because I wholeheartedly wanted to be popular~

Story:

A brief description of the manga Extreme Flame Wizard ~I can only use fireballs, but I became the strongest because I wholeheartedly wanted to be popular~ Igni was born into a noble family that aims to be the strongest. At the "Rite of Appropriateness" held on his twelfth birthday, it is revealed that he can only use the elementary magic of fireball, and he is banished from his family home. Igni lives an oppressed life in the town, but when he is reunited with his grandfather, who was once called the "Pole" and was one of the strongest, the wheels of fate begin to turn… But when he meets his grandfather, who was once one of the strongest and known as "The Pole," the wheels of fate begin to turn… A school magic fantasy by a boy who became the strongest just because he wanted to be popular.