Tree of Aeons - Den of Snakes

5 years after the world changed, the final boss appeared.

Eight Thousand Years after the Glassing of Earth, Terran Descent Humanity has largely become a post-scarcity society based on consent and enjoying life. With the discovery of another ancient race beyond the “Great Gulf”, events and history collide to draw the Terran Confederacy into war against a hundred million year old empire that has always won and believes it always will. With allies and enemies of multiple species, the Orion Galactic Arm Spur will be wracked by warfare the likes of which have not been seen. Cracked, harried, wounded, and damaged, Terran Descent Humanity willfully throws itself against the universe itself. “The universe hates you and will take away everything you love, laughing while it does so.” - Terran belief.

When Xia Qingyi wakes up and finds herself in a hospital without any memories of her past, what else can she do other than to approach the person who had saved her?

A genius idiot born from an incestual marriage!

A young man with triple identities of worker, murderer, and university student!

Cadillacs and Dinosaurs, Sangokushi, KOF, Knights of the Round, Shadow Force, Street Fighter…

Each one of the arcade games you are familiar with has already been changed into a prerequisite for survival!

Slaughtering Shiranui Mai with Ya Otome, Jigoku Gokuraku Otoshi to kill Li Dian. There is only what hasn’t been thought of, there isn’t anything that can’t be thought of!

On an unknown day, when you walk down the stairs, you may accidentally walk into this —— arcade nightmare!

- Description from Novelupdates