Multi World Life Simulator

Programmer, doctor, knight, demon hunter, mecha pilot... "To be honest, being able to experience multiple lives is indeed very attractive, but can you tell me what this thing is across from me?" The tanks that crossed the trenches smashed open the city gates, blasted through the city walls with brass cannonballs, and flames burned on the ruins of the medieval castle. "Fortunately, I'm not normal either." Wu Tian rolled his eyes and closed the knight's mask. The next moment, a huge lightsaber condensed with pure white light fell from the sky, completely engulfing everything in front of him. "My name is Wu Tian, ​​and my current identity is 'Knight'."