[Night fell like heavy black velvet, silently covering the behemoth nestled deep in the mountains-the Zenin Clan's main estate.]
[Above this complex of Japanese buildings, weathered by centuries, its every flagstone steeped in decaying feudalism and aristocratic arrogance, several pitch-black crows circled soundlessly, blending perfectly into the night as their scarlet eyes surveyed everything below.]
[This was Mei Mei's "Black Bird Manipulation." Through shared vision, the seemingly formidable barrier nodes around the estate, blind spots in the patrols, and the few seconds between the Kukuru Unit's shift changes were all relayed to you as the clearest, most precise intelligence.]
[But what truly allowed you to move unimpeded through this forbidden ground, regarded by Jujutsu Society as a death trap, was not merely the visual support outside. It was you yourself.]
[In your current state, you were less a person than a shadow without warmth.]
[You suppressed your breathing, heartbeat, and every fluctuation of cursed energy around you to absolute zero. With the passive state "Natural Perfection," you seemed to become a gust of night wind sweeping over the eaves, a ghost drifting beyond three-dimensional space. Even the most sensitive barrier techniques could not detect your existence.]
[More frightening still was the "living map" in your mind, clearer even than that of the current clan head, Naobito Zenin.]
[You did not even need to look. Muscle memory alone let you perfectly evade the hidden sentries' lines of sight and anticipate the location of every trap.]
[Like a drop of water joining the sea, you slipped with practiced ease through the courtyard defenses supposedly impenetrable even to a fly, heading straight for Naoya Zenin's luxurious detached residence, which exuded that nauseating air of frivolity.]
[Yet when you silently pressed yourself against the wall, pushed open one corner of the shoji door decorated