Douluo, I became Tang San's sister

Tang Xi just realized that she is not from Douluo Continent. Coming to Douluo Continent is not her destiny. Who brought her to this world and what is her purpose? Strange dreams, the world in the dream, the Spirit Hall, the mysterious organization watching from the dark... What kind of story will they have with Tang Xi...

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Please refer to the comics settings, don't ask about the novels or anime settings.
To break up the CP, the male protagonist is not Tang San

Novel Keywords: Douluo Dalu, I Became Tang San's Sister (no pop-up ads), Douluo Dalu, I Became Tang San's Sister (full text download), Douluo Dalu, I Became Tang San's Sister (latest chapter reading)