The End of the World: Summon Sun Shangxiang at the Beginning

When Gong Junwu woke up, the world had changed drastically. The zombie virus broke out and the world's population was reduced to ten. Fortunately, God did not abandon him. He installed a simple system in his head, and also gave him a cute girl. So Gong Junwu started his journey to rise with his sister ruanfan. "Sun Shangxiang is actually a gun girl?" "Mulan is actually a bunny girl?" "Ali is actually a nymphomaniac?" ... I, Gong Junwu, am the strongest sister-in-law. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.