Son-in-law: Me, the Wife-Protecting Maniac.

Summary

In a tense encounter, Yang Chen negotiates with an old man in a white robe, seeking to hand over a little girl in exchange for his freedom. The girl, however, refuses to leave her happy place filled with elixirs. After some persuasion, she emerges but instead of attacking, she lectures the old man on the wrongness of his intentions. When Yang Chen attempts a sneak attack, it fails, and the old man retaliates, injuring him. The little girl, realizing Yang Chen's danger, finally decides to help but initially struggles to understand how to fight. In a surprising turn, her seemingly weak punch causes the old man to disintegrate, revealing her immense power. After the battle, she fades due to exhaustion, prompting Yang Chen to feed her elixirs to restore her strength.

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