A classmate at the Knight Academy. He entered the academy after receiving a recommendation letter just like the others. He's a country boy born and raised in a peaceful fishing village. Suddenly thrown into an elite academy, he struggles with the gap between himself and the other students. He makes his way using his E.P. ability to turn things into cards. He uses cards that are invisible to other students. He likes boats, swimming, fishing, and fresh fish. He dislikes the cold and rain.

A classmate. People around him call him Grant. He shared a carriage with me, Oscar, and Argo. He's quick to pick a fight and often causes trouble, but he also has a kind side and cares for his friends. He's a city boy through and through, and an object of admiration for the rural Argo. He is skilled at horsemanship and swordsmanship. He likes food and exercise. He hates baths, studying, and sitting still.

A classmate of Grant, Argo, and me. We shared a carriage. He writes novels and has even won awards. Due to his nervous and delicate personality, he doesn't get along very well with Grant. However, the four of them hang out together as friends. He likes novels, baths, walking, and studying. He dislikes swordsmanship, hunting, violence, blood, and the dark. He is particularly bad with blood.

The fourth prince of the Kingdom of Hirschreich. He is a classmate. He shows exceptional talent in both swordsmanship and academics. He views the Frontier students with hostility and maintains an overbearing attitude, but he is kind to fellow Hirschreich students. He and Hermann are inseparable.

A classmate and international student from Hirschreich. He is always by Theo's side. He is cold toward Frontier students but works hard for anything involving Theo. He and Theo are inseparable.