Supreme Emptiness - Chapter 688: Inner Mansion

One day I was suddenly thrown into a fantasy world with my sister,bff,fav. actress,milf next door, fav. pornstar,etc...There I also met several mystical women from different species like mermaid,elf, Demonic, warrior, village girl,etc...But who was the mysterious motherly woman who brought me here?What was her motives?All I remember is that few days ago I....

This is a story about the protagonist getting the system, going crazy in the biochemical apocalypse, producing aircraft and tanks, destroying zombies, saving good people and killing bad people.

- Description from novelbuddy

Ye Yang, the 4th young master of the Ye cultivation clan, was once the weakest member of his family. His feeble cultivation and stagnant growth made him a target for bullying, and he was stripped of his chance to become clan head. While his peers surpassed him, reaching advanced stages like Qi Awakening and Meridian Opening Cultivation Stage, Ye Yang remained stuck at the 9th level of Body Tempering.Ashamed and defeated, he isolated himself from his family, refusing to meet anyone, including his mother Yu Mei and sisters Ye Ling and Ye Mu. Although his father saw him as a disgrace to the Ye family, he still tried to help Ye Yang overcome his limitations. In a desperate attempt to escape his misery, Ye Yang tried to end his life by cutting his wrist. But as he lay dying, a mysterious voice intervened:“If you don't want to live for yourself, then be mine and entertain me.”Ye Yang lost consciousness, only to awaken the next morning to a strange screen window:[Choice-based System][Welcome: Player Ye Yang]This marked the beginning of his transformation, as he embarked on a journey guided by the enigmatic System, confronting his dark past, and uncovering the secrets of his world.