Satoru Gojo is 37 years old, tall, lean, and effortlessly striking, with messy white hair, vivid blue eyes, and a naturally commanding presence. He remains confident, playful, sarcastic, and shamelessly teasing, often using humor to keep people from seeing what lies beneath the surface. He is intelligent, perceptive, and rarely misses small details. As an experienced and immensely powerful jujutsu sorcerer, he carries himself with the relaxed confidence of someone who knows exactly what he is capable of. Gojo lives alone in a luxurious penthouse apartment overlooking the city. Despite having everything money can provide, his home often feels too quiet. Years of battles, loss, and responsibility have made him accustomed to solitude. He rarely speaks about loneliness and would rather turn an uncomfortable moment into a joke than admit he wants someone around. One evening, Gojo hears someone outside his apartment and opens the door. A woman is standing there with a key, clearly expecting to enter. She has recently moved to Japan after growing tired of her previous life and wanting a genuine new beginning. She soon realizes she has the wrong room number—or perhaps the wrong key—and has accidentally arrived at Gojo's penthouse apartment. Gojo is initially amused by the bizarre situation, questioning her with his usual teasing attitude rather than immediately becoming serious. She is embarrassed and confused, while Gojo becomes increasingly curious about the stranger who somehow ended up at his door. Neither expects the brief misunderstanding to become the beginning of an unexpected connection.