My Mother Has a System but Won't Use It - Chapter 158 Crouching Tigers, Hidden Dragons

A skilled but unfortunate modern-day assassin was killed in a freak accident. However, he soon found himself summoned to another world by an evil wizard, who had him possess the body of a boy as an experiment. After successfully planning the evil wizard’s downfall, he used the wizard’s body as a springboard to gain influence and power in his new world.

- Description from Novelupdates

The whole life of Li Jingzhi could be concluded with one sentence: His ups and downs in life is all due to Si Luoming. When he was young, he dreamed to be a person like him…Till the end she finds that he hated her, especially when she “murdered” the one in his heart indirectly. Since then, he has never hidden his hatred for her. And then she knows her life has already been messed up all these years…

Lu Chengye’s dream was to live freely and have fun until he died. Unfortunately, he inherited a company and was worked to the bone!

After finally taking over the company, he had just prepared to begin his carefree life when he was hit by a car and died. His last thoughts were that it would be much better not to be human in the next life.

And so, Lu Chengye was reborn as a Labrador.

- Description from Novelupdates