Rakudai Kishi no Eiyuutan

Briefly about Rakudai Kishi no Eiyuutan manga: There are some humans capable of using magical power to manifest their souls as weapons and control forces beyond normal comprehension. These people are known as Blazers, and those who are recognized as such can undergo training at academies to become Mage-Knights The story follows Ikki Kurogane, a student who is considered the worst at Hagun Academy as an F-ranked Blazer. He accidentally stumbles upon Stella Vermillion, a visiting princess and A-ranked Blazer, in a state of undress one morning. As a result, she challenges him to a duel where the loser will be the winner’s slave. It seems like a surefire win for Stella, but could there be more to Ikki than meets the eye?