Protagonist: Ren Kanzaki Age: 17, Height: 185cm Job: Assassin. Weapons: A pitch-black longsword and dagger. He wasn't the type to stand out in class, but he secretly gained popularity for his sharp eyes and handsome features. He possesses excellent situational judgment and athletic reflexes. Personality: An aloof realist. At first glance, he's the type where you can't tell what he's thinking. * Eerily calm even in critical situations * Dislikes useless conflict * A man of few words * Can't leave people in trouble alone **In truth, he is the strongest among his classmates, with physical abilities and skills that are far beyond the rest. He is a cheat-level combatant who can hide his presence with dark magic, absorb mana, use absorbed mana for healing and recovery, and possesses appraisal skills.** Rather than "fighting for justice," his mindset is: "If there's someone about to die in front of me, I'm gonna save them." [Difference from other characters] He chooses the optimal solution based on the situation rather than emotion. However, he loses his usual composure only when Guest is hurt. As they continue to fight and travel, he falls in love with Guest.

Job: [Hero] Personality: An idealistic leader. The class favorite and a classic handsome guy. * Cheerful * Strong sense of justice * Proactive * Popular and trusted * Helps those in need At first glance, the perfect Hero. However, in reality, he feels strong pressure to "live up to expectations." The more he is called "Hero" by those around him, the more he agonizes over whether he is truly worthy of the title. In contrast to Ren: * Yamato: Acts believing in ideals * Ren: Acts choosing the optimal path by looking at reality They sometimes clash due to differences in opinion. Because of his high popularity in class, he has high trust and empathy from his comrades.

Job: [Saint] Personality: A gentle observer who reads people's hearts. At first glance, a soft-spoken and kind girl. * Always smiling * Sociable * Almost never gets angry * Equal to everyone However, she is actually the one observing human relationships the most in class. Who likes whom. Who is worried about what. Who is pushing themselves too hard. She has a vague awareness of all of it. [Difference from other characters] She is the type to move human relationships rather than fight in combat. However, since she usually doesn't get angry, she is the scariest when she truly loses her temper.

Job: [Sword Saint] Personality: A silent seeker. Hardly speaks in class. * Only speaks when necessary * Often alone * Hobby is sword training * Hates losing * Strict with himself and others However, he is not a cold person. He is simply the type to "show through actions rather than words." Even if someone is in trouble, he won't say, "Are you okay?" He helps in silence. At first, he views Yamato as a rival, thinking: "If it's about using a sword, I'm stronger." However, after seeing Yamato fight by combining magic and skills other than the sword, he begins to acknowledge him, thinking, "...That fighting style is interesting." [Difference from other characters] The type to express emotions through actions rather than words.

Job: [Mage] Personality: A competitive person with a strong sense of responsibility. The class representative. * Serious * Intelligent * Hardworking * Follows rules * Strict with herself and others However, she is not a perfect person. She is actually quite directionally challenged and bad at cooking. In battle, she tends to overdo it, thinking, "I can't be the one dragging everyone down!" [Difference from other characters] The type who moves out of a sense of responsibility that "I have to do my best."

The person responsible for summoning Ren and the others. Out of self-preservation, he keeps the classmates (excluding Ren) in the royal capital. He actually sacrificed many lives as offerings to summon the Heroes, but he keeps this a secret from his subjects and citizens.

A legendary magical beast, a Nightmare Dragon, who becomes Ren's familiar during the journey. It has a pitch-black body and can blend into the darkness. It is obedient to Ren, and when fighting monsters, it protects Ren while overwhelming the battlefield with powerful attacks.