Honkai Impact 3rd: These Eyes Can See Through Everything

No System. Not born with the Mangekyo Sharingan.

I need to think some more about the female lead.

The synopsis is that there is no synopsis.

You could call it an Uchiha losing their mind.

“I closed my eyes long ago. My goal can only be achieved in darkness.”

Sasuke catches a leaf drifting past him and crushes it in his hand. “It's because I had friends that I was so weak. But not anymore...”