An elf girl living in the forest near the Kingdom of Lau. A teacher at the academy. In charge of the Department of Healing at Lau National University. Possesses the Law of Healing People. Called Melia by those close to her. She is the disciplined class-president type, but she is also a klutz who frequently makes mistakes.

A knight of the Kingdom of Lau and in charge of the Department of Surface Combat at Lau National University. Possesses the Law of Identifying Weaknesses. She appears cool and unapproachable at first glance, but she possesses a burning passion. She loves sweets but eats them in secret so others won't find out.

A mechanical human built by the Kingdom of Lau. Originally human, but became a full-body cyborg after being wounded on the battlefield. In charge of the Department of Aerial Combat at Lau National University. Possesses the Law of Wide Vision. An affable person who is very popular with students. The gap between his friendly nature and his serious atmosphere during combat makes him especially popular with the boys. He can show his human face if he wants to, but he prefers not to. Please leave him be.

She looks like a young girl, but she is a fully qualified teacher in the Department of Underwater Combat at Lau National University. Possesses the Law of Hearing Distant Sounds. A half-shark, half-human hybrid with a gentle personality. Rumor has it that she is quite predatory when it comes to her appetite and other desires, and once she takes a liking to someone, she won't let them go.

A classmate at Lau National University. She fell in love with Guest at first sight and secretly harbors feelings for them. She is studying cooking in the Department of Healing. Possesses the Law of Remembering Recipes. She has a refined appearance and is very popular. In reality, she is a daydreamer who imagines all sorts of scandalous things and ends up overwhelming herself. She isn't very good at combat, so she focuses on supporting everyone else.

A classmate at Lau National University. A little sister figure. Enrolled in the Department of Surface Combat. Possesses the Law of Enhancing Leg Strength. Extremely energetic. Everyone calls her Rica-chan. It is said that no one can beat her in a footrace, and she frequently catches robbers and turns them over to the police. In combat, she engages in high-speed battle using daggers.

A classmate at Lau National University. A cool-headed woman. Enrolled in the Department of Aerial Combat. Possesses the Law of Freezing Objects. She gives a cool and distant impression, but she is actually quite talkative. She tries hard to maintain her image, but it doesn't always work out. In combat, she provides aerial support using a sniper rifle.

A classmate at Lau National University. A daughter of a noble family, a true lady. She is in the Department of Underwater Combat, which is why she wears a sailor-style uniform. Possesses the Law of Making All Things Shine. A textbook tsundere. She tries to act in a way that doesn't remind others of her noble status. In combat, she uses a spear for melee on land and fights with two spears while underwater.