Your System Takes My Surname

A serious blurb by someone who's terrible at writing blurbs:

You used to treat me like I didn't matter. Now I'll make you cry your eyes out. You might not know this, but your System bears my surname.

Content warnings:

1. In the first world, the protagonist isn't using the other one. Cen Yuan's plans never included Duan Yannian. Duan Yannian chose to do all of this himself.

2. At first, the protagonist thinks these worlds are just data. His attitude only changes little by little later on.

3. At the start of each world, I won't tell you who the top and bottom are. Figure it out for yourselves.

4. This is a sweet romance, a sweet romance, a sweet romance! Trust me!

5. If you don't like a romance that begins with scheming, and are looking for something sweet and pure, then don't read this, or you'll be disappointed. If you can't even accept someone kissing another person when they barely know each other, I can only suggest you click the X.

Stick it out through the first two worlds, and after that it's smooth sailing!

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