The Cold-Blooded Agents Who Came to Retrieve Xiang's Head Were Actually Exchanged.

[Soul exchange (permanent) + pure love + 1v1 + female protagonist's metamorphosis + long daily and short battles] Su Ye, an immortal agent who has served in the organization for decades, is an ace without a single defeat in his career. Unexpectedly, after countless actions, he unexpectedly overturned? And switched bodies with the assassination target? Although he could change back to a girl sooner or later, why did the person occupying his body look at him strangely? "Hey, you're already like this, why not marry me?" "What a beautiful thought!"