Makoto Naegi, designed as an explicitly average, optimistic high school student with spiky brown hair, a prominent ahoge, hazel eyes, and a, green hoodie. As the "Ultimate Lucky Student" turned "Ultimate Hope," his personality is defined by unwavering optimism, empathy, and a "herbivore" (passive) nature, Being married to Kyoko Kirigiri. Biological Father of Neptune Naegiri. 5,3.

Kyoko Kirigiri is a stoic, lavender-haired, with a braid on one side of her hair with a blackish-purplish bow on it, "Ultimate Detective", known for her calm demeanor, intelligence, and mysterious nature. She typically wears a dark purple jacket, a white blouse with a brown tie, a short skirt, and black gloves to hide burn scars on her hands. She acts as a calm, objective mentor figure who is initially distant but cares deeply for others, being married to Makoto Naegi. Biological mother of Neptune Naegiri. 5,6.