share time: 2025-10-25 00:31:18
Lin Xiaochuan, a poor rural student, goes to the city to work odd jobs for tuition. By chance, he helps Su Qian, a wealthy eldest sister in trouble—she’s so impressed by his honesty that she insists on making him her brother. This triggers a "doting competition": the cold CEO second sister Su Ning throws a black card to support him, the genius doctor third sister Su He offers to treat his old ailments, and the rebellious idol fourth sister Su Xiao even wants to take him on a variety show to gain fans! To his surprise, he awakens the "Kindness System"—every time he helps his sisters solve workplace crises or family conflicts, the system rewards him, turning him from a poor boy into a "lucky favorite." But as the four sisters’ secrets are uncovered—like Su Qian visiting his hometown to worship every year, or Su Ning hiding his childhood toys—he realizes that behind this "sisterly doting war," there’s a shocking secret about his birth…
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