There's a Black Cat That's Going to Kill Me.

I am Locke, a glorious time traveler. I am in a panic now. I am symbiotic with a black cat. Every time it uses a skill, it consumes my life. It wants to suck me to death! ! I am a black cat, a great hidden existence. I am also very panicked now. I am living in symbiosis with a human being. I am very scared every time I fight, I am afraid that I will be sucked to death by the way... Less than a day after traveling to another world, the high-powered protagonist faced the risk of being killed twice. In the days that followed, he was frantically testing on the edge of death! This other world is too dangerous, woohoo~ I want to go home! !