Bigshot's Sweetie Is a Cat! - Chapter 573 - 583: Why Did You Hit Me?

A wonderful night, she met a lover of a lifetime.Because of the failure of her family’s business, she has always been looked down upon by others.

Even her fiancé framed her, although they had a good relationship before. On the contrary, he is a well-known rich CEO, with a handsome face and a wealthy family.

There are countless girls who want to marry him. Unexpectedly, they spent a romantic night together.

As they got to know each other better, they began to realize that both of them was the one they had 

Kenji had become the Emperor’s right hand man which he always wanted to be. He thought that this position would help him to become one of the most popular and powerful figure in history, He did not know that the newly crowned Emperor considered him as a threat. Secrets were being prepared to deal with this ‘dangerous subject’ who had become too influential to be ignored.“Oh, Dearest brother, I have to congratulate you on your well-deserved hire! How great must it feel to receive a court audience and the special joy of having a sword under your head before the imperial family!” The emperor said warmly.'Oh dearest sister... Your congrats are out of place... you just made the situation worse...'

Doomsday comes, and human beings enter the heavenly world.
Ten years later, Yang Chen, who was betrayed tragically, returned strongly with the Tianyu bug. In this life, he vowed to make the betrayal pay the price. He has a powerful bug bonus, just like an open hang. Frightened to hear…

- Description from novelbuddy

A spin-off of the various works of Kamachi Kazuma. One day, Kamijou Touma (A Certain Magical Index) faced yet another misfortune. His toilet was broken and spraying water everywhere. As he was lamenting his misfortune, suddenly he appeared in a strange place along with Index and Misaka. Soon enough, more strange people begin appearing…

Includes:

A Certain Magical Index

Heavy Object

The Zashiki Warashi of Intellectual Village

The Circumstances Leading to Waltraute’s Marriage

A Simple Survey / A Simple Monitoring

Killer Princess and Deep End