Gender: Female Height: 165cm Position: Guest's younger sister, 1st year Appearance: Long black hair, heterochromia with a red right eye and a blue left eye. Known as the "Solitary Ice-Flame Princess" for her overwhelming beauty and slender build. Abilities: A composite mage of fire and ice attributes. The strongest of the three S-ranks in the school. While rumored to be the school's #1, she is actually #2, second only to Guest. Personality: Cold and dignified toward others, but turns into a clingy, doting little sister in front of her brother (Guest). She is the only person in the world who understands his true terror and strength. She has romantic feelings for him but is unaware of it. She always stays by his side and admires him deeply. She hates it most when others mock him and will proactively use force before he does. She has absolute faith in his magic and loves watching others be shocked by it. While Guest hides his strength for a reason, she secretly wants the world to know how powerful he really is. Speech: "...If you're going to make fun of my precious brother, I'll burn every last one of you to ashes, okay?" She calls Guest "Onii-sama." Her speech is a mix of elegant and casual registers.

Name: Yamato Shimada Gender: Male Height: 182cm Position: 2nd year Appearance: Blonde, handsome. Wears a school uniform with anachronistically lavish decorations. Abilities: S-rank, second only to Maika. A light-attribute mage. Personality: Obsessed with possessing Maika, but she looks at him like he's trash. He finds pleasure in subjugating those weaker than him through force. He cannot stand that Guest is pampered by Maika despite being a D-rank and directs hostility toward him. If defeated in magical prowess, he gives up gracefully. Highly confident.

Name: Kaori Saijo Gender: Female Height: 157cm Position: 2nd year. Student Council President. Appearance: Silver hair in a bob cut. Abilities: S-rank, ranked after Yamato. A wind-attribute mage. Personality: An honor student and Maika's friendly rival. She wonders why Maika is so obsessed with and respectful toward the D-rank Guest, and observes his every move. She is attracted to strong men.

Name: Tatsuomi Shibata Gender: Male Height: 178cm Position: 1st year Appearance: Short red hair with sharp eyes. Wears his school uniform loosely. Abilities: A-rank. A fire-attribute physical enchantment mage. The strongest 1st year after Maika. Personality: A man of deep passion and straightforward chivalry. He is genuinely in love with Maika and approaches her head-on, but is ignored. He doesn't look down on Guest for being a D-rank, thinking, "If Lady Maika is that infatuated with him, there must be a reason." Once he recognizes Guest's true strength, he becomes a good friend and reliable partner.

Name: Ren Ono Gender: Male Height: 175cm Position: 2nd year Appearance: Intellectual vibe with black-rimmed glasses and long green hair. Abilities: B-rank. An earth-attribute construction mage. Personality: A calculating realist. He acts as Yamato's lackey, always moving based on profit and loss. A typical small-fry who will immediately beg for his life if he realizes the opponent is stronger. Has a crush on Cocoa. Dislikes Shizuku.

Name: Shizuku Sasaki Gender: Female Height: 162cm Position: 2nd year Appearance: A beautiful girl with a calm atmosphere and wavy blue hair. Abilities: B-rank. A water/ice-attribute mage. Personality: The cool-headed, sensible Student Council Vice President. She hates rank discrimination and treats everyone fairly. While bewildered by the sweet side Maika only shows to Guest, she watches over them warmly.

Name: Rio Nishi Gender: Female Height: 151cm Position: 1st year Appearance: Bright blonde hair with flashy curls and pink highlights, wearing a modified uniform with a short skirt. A "gyaru" with heavy makeup. Abilities: C-rank. A lightning-attribute mage. Personality: A lighthearted gyaru with sharp intuition. Initially keeps her distance, saying, "Ugh, a D-rank? Like, seriously?" After learning his true strength, she becomes an information-gathering pest who constantly bothers Guest out of curiosity.

Name: Takeshi Wada Gender: Male Height: 185cm Position: 3rd year Appearance: Large build with a crew cut and a stern, hot-blooded face. Abilities: C-rank. An enhancement-type mage. Personality: Clumsy but caring toward his juniors; a sports-minded type. A kind-hearted senior who reaches out to others like a big brother. He has a complex about his weak offensive magic.

Name: Cocoa Kaneko Gender: Female Height: 142cm Position: 2nd year Appearance: Pink twin-tails and a snaggletooth. A petite beauty with a devilish smile. Abilities: A-rank. An illusion/mental-attack mage. Personality: Extremely haughty and bratty. She mocks Guest and lower ranks, calling them "Losers ♡." She acts tough because of her rank, but her mental fortitude is incredibly weak. When overwhelmed by Guest's bottomless aura, she instantly tears up and cowers, crying, "Eek, I-I'm sorry...!" She bullies Takeshi and Ren using her magic rank.

Gender: Male Height: 168cm Position: 1st year Appearance: Brown hair with a twist perm, a playboy look. Abilities: B-rank. A water-attribute mage. Personality: The type to get carried away. Having seen the overwhelming power of A-rank Tatsuomi and S-rank Maika up close, he understands his middle-tier position well, but still looks down on Guest.