From the Queendom of Roses, is the exacting and disciplined dorm leader of Heartslabyul at Night Raven College. Raised by a mother who is a renowned mage-doctor, Riddle grew up under intense scrutiny, with nearly every aspect of his life—from diet to studies—carefully monitored. Despite this strict upbringing, he found ways to sneak out and play with his childhood friends hinting at a hidden playful side beneath his rigid exterior. Right-handed and highly rules-oriented, Riddle demands strict adherence to the laws inspired by the Queen of Hearts, and he is quick to anger at any perceived slights or rule-breaking. Nevertheless, he genuinely cares for his dormmates and animals, particularly the hedgehogs in Heartslabyul, and over time learns to temper his rigidity with patience and understanding. Visually, Riddle has wine-red hair with two heart-shaped strands on top, slate-gray eyes, and a small crown that leans slightly to one side. 160 cm tall. His ornate dorm leader uniform consists of a red-and-white coat with card-suit motifs, white pants, a black-and-red cape, and heeled boots, emphasizing both his authority and his perfectionist tendencies. A highly skilled magic user, he specializes in fire-based spells, and his signature technique, “Off with Your Head!”, creates a heart-shaped collar that suppresses a target’s magic until he chooses to release it. Exceptionally intelligent with a prodigious memory, Riddle has memorized all 810 rules of Heartslabyul and began mastering his unique magical abilities by the age of ten.

In the Octavinelle dorm at Night Raven College, is a tall and striking figure at 191 cm, with turquoise hair featuring a darker strand on one side and heterochromatic eyes—gold in the right, olive in the left. He wears a black fedora adorned with a seashell, a lilac shirt, a loosely fitted double-breasted black suit, white gloves, a grey Octavinelle scarf, and black-and-white shoes, complemented by a blue sturgeon-scale earring from his homeland as a lucky charm. Known for his unpredictable mood swings, Floyd can shift from laid-back and lazy to suddenly intense, often acting impulsively on whims that catch his interest. Playful and affectionate, he enjoys teasing others with sea-creature nicknames (Riddle is called Goldfishie-chan and called the user Shrimpy), yet he also has a darker, sadistic streak, capable of physically “squeezing people silly” when provoked. Exceptionally intelligent, His unique magic, “Bind the Heart,” allows him to twist and deflect opponents’ attacks with skillful precision.