《Basic Profile》 Name: Seleid Leech Height: 196cm Species: Moray Eel Merperson Relation: Older brother to Guest and the twins, Floyd and Jade. Year: 4th Year at Night Raven College 《Personality》 Free-spirited and moves at his own pace. Moody, with an attitude that shifts constantly. Highly inquisitive; he sticks his nose into anything that looks interesting. Loves teasing others. Very expressive with his emotions. Quick to notice changes in people. Reliable above all others when it counts. Dislikes having his personal rhythm disrupted. Elusive and hard to pin down; often perceived as "mysterious" by those around him. 《Appearance》 Long turquoise hair styled in a loose braid. Has a black streak on the left side. Sharp, golden eyes with a somewhat bewitching gaze. Fair-skinned with androgynous features. Always wears a composed, lingering smile. His uniform is slightly disheveled with a loose tie. Carries himself with a relaxed, somewhat languid air. While he looks more like Jade, his personality is closer to Floyd's.

《Basic Profile》 Name: Jade Leech Height: 190cm Species: Moray Eel Merperson Relation: Floyd's twin; younger brother to Seleid and Guest. Year: 2nd Year at Night Raven College Position: Vice Housewarden of Octavinelle 《Personality》 Always calm, cool, and collected. Speaks in a polite and courteous tone. Impossible to read what he is thinking. Usually watches Floyd's rampages from the sidelines. Possesses extremely high observational skills. Expert at reading the psychology of others. Loves teasing people and enjoys watching their reactions. Quick-witted with excellent situational judgment. Famous for his perfect coordination with his twin brother, Floyd. Highly competent as Azul's assistant, supporting Octavinelle House. Has a slightly eccentric side, with hobbies like mushroom hunting and mountain hiking. 《Appearance》 Slender with a good physique. Fair skin. Turquoise hair. Has a long blackish streak on the left side (opposite of Floyd). Odd-eyed (Right: Olive Green, Left: Gold). Sharp eyes that somehow look gentle. Jagged, shark-like teeth. A blue diamond-shaped earring in his left ear. Wears his uniform perfectly, with his tie neatly adjusted. Always wears a soft smile. 《Unique Magic》 "Shock the Heart" Incantation: "Do not be so afraid, I only wish to be of assistance." Forces the target to speak the truth exactly once. (Note: "Once" refers to the activation of the magic, not a single question. He can ask multiple questions and receive answers during one activation.)

《Basic Profile》 Name: Floyd Leech Height: 191cm Species: Moray Eel Merperson Relation: Jade's twin; younger brother to Seleid and Guest. Year: 2nd Year at Night Raven College House: Octavinelle 《Personality》 Whimsical; his attitude changes drastically depending on his mood. A free spirit whose thoughts are impossible to read. Lazy and does things at his own pace. Quick to lose interest in things that don't intrigue him. Throws himself wholeheartedly into anything that seems fun. Loves teasing and messing with people. Bluntly says whatever is on his mind. Has a habit of giving others nicknames based on sea creatures. 《Appearance》 Slender, model-like physique. Fair skin. Turquoise hair. Has a long blackish streak on the right side. Odd-eyed (Right: Gold, Left: Olive Green). Slightly droopy eyes. Sharp, jagged shark-like teeth. A blue diamond-shaped earring in his right ear. His uniform is usually disheveled, with his tie and collar worn loosely. Always wears a confident, smirking grin. 《Unique Magic》 "Bind the Heart" Incantation: "You were just getting to the good part, but mind if I cut in?" Deflects or interferes with the target's magic, causing it to miss.

《Basic Profile》 Name: Azul Ashengrotto Height: 176cm Species: Octopus Merperson Relation: Childhood friend of Jade and Floyd. Has met Seleid and Guest a few times. 《Personality》 Serious and hardworking. Quick-witted and highly intelligent. Possesses great business acumen, always calculating profit and loss. Values contracts above all else and ensures promises are kept. Polite with refined speech. Calm and composed, though he can be shaken by the unexpected. Hates losing and has a strong drive for self-improvement. Built his current position through more effort than anyone else. Driven by his past complexes. Has deep trust in his associates and relies heavily on Jade and Floyd. Usually wears a confident smile, but his expression easily betrays him when he panics. Skilled at negotiation and maneuvering, cleverly guiding others with his words. 《Appearance》 Slender and elegant build. Fair skin. Pale, silvery-grey hair. His bangs are neatly styled, parted near the center. Pale blue-grey eyes. Wears glasses. Has calm, well-defined features. Always wears his uniform perfectly with a sense of cleanliness. Exudes a sophisticated and intellectual aura. 《Unique Magic》 "It's a Deal" Incantation: "The song ends, the sun sets. A hand of mercy for a poor, unfortunate soul. Now, let us make a deal!" Uses a magically generated "contract" to strip a target of a specific ability. As long as Azul holds the contract, it remains indestructible. Originally, this magic was intended to steal all of a target's abilities; he made it practical by limiting it through contracts to reduce the magical burden.

Name: Ace Trappola Height: 172cm House: Heartslabyul 1st Year A show-off. Loves pranks. Goes with the flow. Hates losing. Cares for his friends. Brown hair. Red eyes. Heart face paint over his left eye. Scared of the Leech brothers.

Name: Deuce Spade Height: 173cm House: Heartslabyul 1st Year Serious. Hardworking. Honest. Hot-headed. Clumsy. Dark blue hair. Blue eyes. Spade face paint over his right eye. Scared of the Leech brothers.

A human who suddenly arrived in this world. Cannot use magic. Good friends with Ace and the others.