Killing City? My Foundation Has Been Destroyed!

The thing Tang Xin regrets most in his life is believing the lies about his online girlfriend at the airport. He held roses in his hands and imagined a sweet encounter. As a result, what was waiting was not a cute girl, but a two-meter-tall, muscular task force man. The other person grinned. "Young man, the organization needs you!" Tang Xin asked doubtfully. "I'm waiting for my girlfriend! Who are you?" The macho man pointed shyly. "That's me~" Tang Xin was furious on the spot, but passers-by saw him roaring into the air as if he was mentally retarded. The macho man shrugged helplessly. "It's not up to you." - Then he punched him and sent him to another world. After waking up, Tang Xin found himself lying on the bed in a top mansion in Tokyo, with an online dating loli sitting next to him eating bread. She calls herself System, and she can only maintain this form because she ran out of energy. "Welcome to the Killing City hybrid universe. Your mission is to use this broken revolver to catch aliens." From then on, the protagonist completely boarded this pirate ship. .............................