The Simple Life of Killing Demons - Chapter 31Book 10:

Endless sky and infinite space, the cosmos isn’t some paradise waiting to be found, it is full of darkness and danger, death and terror of the great unknown. However, for that glittering swath of blue, we have no fear! For the longevity of men, we have no regrets! Nothing shall stand in our way because it is finally our time, our age! The age of cosmos exploration!

Ruins stretched across the landscape in the apocalypse after the nuclear war.

Suddenly becomes a mafia boss in a superpowers world and you are only 3 years old?! Ainsley Sloan, a 20-year-old avid anime lover, suddenly transmigrated into a body of a toddler. The father eloped with a woman, and the mother was just a surrogate mom. The two left behind their 3-years-old baby girl to rule over a mid-sized mafia family!No, this can't be! Ainsley was forced to embrace the abandoned Sloan Family and bring their family to the top of the dangerous mafia world– else she died. But, worry not! With the power of ultimate luck, the help of her loyal subordinates, and the protection of her cats-becoming-human, Ainsley will kick any enemies coming her way! A late encounter with a certain system even paved a flowery path for her. With its help, Ainsley will be the best mafia boss, and an extraordinary one! When other mafia bosses smoke cigarettes, Ain has choco Pocky stuck in her mouth. When other bosses swirl their glass of red wine, Ain blows her cup of hot milk! When other bosses blow their gun after a fight...Ain changes her diaper. Watch the baby take over the mafia world with her unique baby charm! 7 years later. A certain shrewd mini boss: "Ain, how about becoming my fiancee?" The boy five years older than the toddler waved a limited edition BL pillow case as a bribe. A certain system: kiddo, accept his proposal! sucks his money! Wtf you two. Fiancee your a*s!! I'm only 10!

Chu Nan was just an ordinary student, but because of an accident, he obtained the data collection, analysis and processing ability equivalent to the most advanced optical brain.