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[Transformation] [Fantasy] [Refreshing] [Time Travel] [System] [Multiple Heroines] [Change] Yan Yao traveled to a world of cultivating immortals. She never expected to draw a soul during the system lottery. The soul is teasing his sister with his own body! "Sister, I like you~My heart only belongs to you~" "Ah!" Many days later, my sister looked at Yan Yao who had taken her body back. Said softly in her ear. "Sister, didn't you say you only belong to me? It's time to fulfill your promise~" "Ah~ don't~" "Sister~"