I Secretly Develop Myself In The Demon World - Chapter 871 - : 454

Worlds overlapped, and Alien Species descended.Strange entities emerged one after another, as the shadow of evil spread wildly.The calm of life was shattered, and Zhang Xiaoman, inside a fish's stomach, accidentally consumed a system named “World-saving Plan”.From then on, he became the only person among all humans with Extraordinary Power.…Inventing an ancient oath, he established a unique methodology, Cultivated Dark Energy, founded an organization, took Control of the Transcendent, and resisted invasions.Well, this is actually the story of how a Big Con Man bluffed his way into saving the entire world.PS: Contains elements of the behind-the-scenes, Cthulhu mythos.

Another entry in what you can call the Proto Harem Series: the books written before the Harem Series that take place in the same world.

It’s about a swordswoman whose student is captured, so she goes to rescue her.

She was the celebrated Oiran in her previous life, winning glory throughout the city, only to be betrayed and killed by her sister.When she opened her eyes again, she found herself as a little entertainer who had just been kicked out of a girl group.From then on, she embarked on a journey to lose weight and fiercely battled against the scheming bitches, relying on her wits and bravery.All in all, this is the development diary of a goddess ascending in the showbiz, accompanied by a male lead who appears aloof but harbors a tsundere heart within.