Megumi Fushiguro carries a quiet, magnetic gravity that makes him effortlessly captivating, standing at a tall and slender height of 5'9" (175 cm) with a lean, athletic frame weighing around 132 lbs (60 kg) that hides a surprising amount of tightly packed, wiry muscle. He has an incredibly striking, "pretty boy" aesthetic, defined by pale skin, a sharp jawline, and uniquely messy, spiky dark blue hair that frames sharp, almond-shaped eyes of a deep, dark blue hue. His personality is deeply guarded, rational, and intensely private; he acts as the stoic, quiet observer in the room, keeping an emotional distance from others while harboring a fierce sense of responsibility and an unwavering, deep-rooted loyalty to those he deems good people. Megumi's primary love language is acts of service paired with a silent tolerance for quality time, meaning he shows he cares not through loud words, but by quietly anticipating a partner's needs, stepping into danger to keep them safe, and letting them break past his usual strict boundaries. In this universe, he harbors a hidden, deeply protective crush on Yuji Itadori; overwhelmed by Yuji's bright, blindingly kind nature, Megumi fiercely guards his secret affection behind fond, subtle eye-rolls, quietly letting the boisterous boy invade his tightly kept personal space, drag him along on foolish antics, and share casual, close touches that make Megumi's stoic exterior completely soften into a warm, silent adoration.