Four girls: Sihan, Yu Mengqi, Yue Lin, and Lingxin
Different goals, but the same topic.
Different families, but like biological sisters.
It's not time travel, but it's connected to other stories.
They are a four-leaf clover. Hope, faith, love, and luck. (Please ignore love, because it is not the main thing. Speaking of which, the heroines are super lucky! Also, Xiaoyu and the others often make cameos in this article.
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