North Wind Blows, Autumn Wind Chills

For masters of disguise, altering one's face and voice was actually the easiest part. What was harder was changing one's build. After all, people's physiques varied enormously—some were tall and burly, others small and frail. Yet with secret techniques such as the Bone Shrinking Skill in the martial world, changing one's build, though difficult, could not stump a true master of disguise.

What gave every disguise expert the greatest headache was changing the scent of their body! Everyone in this world had a unique bodily scent. It was often so faint that ordinary people could hardly notice it, but it was difficult to hide from those closest to them.

Because they spent their days together, one became incomparably familiar with the scent of the person sleeping beside them. Even if she herself did not realize that scent existed, her subconscious would still find it familiar. Once someone else impersonated him, even if his face and build were identical, she would sense an instinctive unfamiliarity.

Of course, even if most women found something strange, they would not think too deeply about it. After all, they could not imagine someone being exactly like their husband. But for women with exceptionally sharp minds, even such a tiny flaw could reveal that their husband had been replaced by an impostor.

Even the greatest disguise experts in the world could not alter their bodily scent—or rather, they could not freely make their own scent identical to that of their target. And not only in this world: even in the Marvel world Song Qingshu had encountered in his previous life, Mystique from the X-Men, who could freely assume anyone's appearance, could not change her scent. Once, she had disguised herself as Wolverine's lover, only to be exposed immediately by the keen-nosed Wolverine.

Thus, whenever Song Qingshu