share time: 2026-01-09 00:31:23
Lin Xiaochuan, the "most useless" youngest of the Lin family, is despised by his CEO eldest sister (for no real job), martial artist second sister (for weakness), top-star third sister (for messing up fan support colors), and scientist fourth sister (for not understanding equations)—only the fifth sister secretly gives him pocket money to protect him. Until he accidentally binds the "Sister Guardian System": he helps the eldest sister break a business trap, the second sister overcome a martial arts bottleneck, the third sister clear a casting couch scandal, and the fourth sister solve a research puzzle. The four once-arrogant sisters suddenly switch sides: the eldest gives him a CEO-exclusive black card, the second wants to teach him "the strongest martial arts", the third helps him chase idols, and the fourth vies to be his "personal research consultant"! The fifth sister hugs his arm and laughs: "I told you, Xiaochuan is our family's hidden boss～"
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