In the Last Days, I Have the King of Hell Hidden in My Pocket

On the day the apocalypse came, my dad turned into a 15cm tall villain. Crawled out of my pocket wrapped in toilet paper. "Don't be stunned, run." He said. The world behind you has gone crazy. The mutants bit the living people, and blood spurted out for half the street. Before I could react, a monster had already jumped in front of me—— A steel bar flew past my ear and hit it in the eye. My dad threw it. 15 Centimeters tall, my strength has not become smaller, but my speed is faster. "Your dad has gotten smaller, but his brain hasn't gotten smaller." He stood in my palm, his tone as calm as reading an instruction manual. Later I realized that this was not the end, but the beginning. In the sewer, three mutant beasts pounced at the same time. I thought I was dead, but a wave of heat surged through my body - I awakened my space powers, teleported, dodged, and sealed my throat with one blow. "Good job." My dad said in his pocket, "But don't be happy too early, there will be more cruel things later." We met other survivors in the ruins, as well as man-eating mutant beasts, monsters smarter than humans, and bandits who took advantage of the situation. In every desperate situation, it was my dad who used his 15cm hands to accurately calculate the monsters' weaknesses and predict their attacks. "Watch its left leg. It will tighten before it exerts force. Now!" The steel bars penetrated and the monster fell. I looked down at my father in my pocket. His body was covered in blood, the steel bars were dripping with black blood, and his eyes were terrifyingly calm. "Dad, aren't you afraid?" "Afraid. But I'm afraid that when it's over, I still have to fight." Later, a legend began to spread among the survivors - there was an invisible King of Hell who specialized in killing damned things. That king of hell sleeps in my pocket every night 15cm high It's my dad.