Anime Crossover: The Imperial Path Begins with Re:Zero

Xuanhuan cultivation system + Perfect World + Natsuki Subaru protected by the Demon King + ruthless toward enemies + Rem + Ram (not sure) + human nature System + super devoted to Subaru + multiverse anime crossover

Risking your life to learn through trial and error? Willing to die countless times just to achieve a happy ending?

You! What do you think your life is worth?!

Now that I've, Chen Yan, come here, I absolutely won't let that happen again!

An absolute immortal, the protection born from it, and the one who teaches you to love... who are they?