Cry! the Apocalyptic Killer Dresses up as a Yandere High School Student

[Two male protagonists x system fantasy x sand sculpture funny x double cleanliness] Codenamed K17, he is a system task executor who performs system tasks in different worlds in order to survive. In his previous life, he was a doomsday killer. He started killing zombies when he opened his eyes. Until he was 21 years old, he was besieged and bitten to death by thousands of zombies. Throughout his life, the world only had two colors. Black and red. Black is night; red is blood. The coldness and loneliness almost penetrated deep into the bone marrow, so cold that the soul seemed to be trembling. His only wish is: to live a warm life. You can see the warm sunshine when you open your eyes, and you can hear the gentle voices of your loved ones when you close your eyes. The system guarantees again and again that this mission fully meets your requirements. K17: I mean you need a lot of money and a lot of love. Are you sure you have it? System: Yes, absolutely yes. K17 is suspicious, this time, can I trust this cheating system?