The Most Powerful Brother-In-Law In History is a Manga/Manhwa/Manhua in (English/Raw) language, ACTION series, english chapters have been translated and you can read them here. You are reading chapters on ManhwaZ fastest updating comic site. The Summary is
After going through the ups and downs of life, Tang Yun, after having awakened the golden finger against all odds, strongly refused to become a worthless son-in-law, took care of his own life, and fled with his wife and disobedient sister-in-law.
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