The System Turned Him into a Villain

On a fresh midsummer afternoon, embraced by the scent of blossoms floating across his windowsill on the warm, crisp wind, the ill college student Li YueYing passed away without saying goodbye to his hardworking parents.

He awoke to Purgatory, where God gave him a mission: Become the villain of this story! Bully the evil 'Protagonist' and teach him the ways of the light! Once you've completed your mission, I'll send you back to see your parents a final time.

A system greeted him as he landed in the new world:

[ Good morning, Mr. Li YueYing! (*´▽`*) ]

The cheery electronic voice echoed through YueYing's head, and his heart grew suspicious. Why would God tell him to do evil? That's when he realized...

The System was not God. It was the devil.

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Danmei (Boy's Love), please proceed with caution.

Evil System, 1v1, NPC x Forced Villain, 'Protagonist' x System, Happy Ending

YueYing thought he found the 'Protagonist.' But when he asked the System for confirmation, he got a mocking laugh in response.

[ This isn't bad either, Mr. Li. ]

He turned, quaking, to the librarian NPC he'd pushed into a shelf, who stared at him with dangerous eyes.