Baka to Test to Shoukanjuu‎ - Volume 12.5, Me (Watashi), Graduation and Parting words

Five years ago, Gu Jiayu, who climbed out of the mountain nest, entered the entertainment circle in order to cultivate, and in order to overcome the shortcomings of emotional gaps, he used an excellent acting skill to hook up a Chinese “little nobleman” abroad. After a month of falling in love and feeling love, he ran away with guilty conscience after the other party proposed marriage.

Five years later, Gu Yingdi had become popular all over the country, but he had a four-year-old son beside him. 

One day, the little handsome guy pointed at the man who took up the entire page in the financial newspaper and said, “Dad, this man looks like me!” Gu Jiayi glanced at the calm, handsome man in a suit and shoes in the newspaper, and asked with a guilty conscience, “He has an onion head, and his body is black and black like the top post. Are you sure you look like him?” That night, “Top Door Post” came to the door … Gu Jiayu, “My son, hide your tail!”

- Description from Novelupdates

In this school fantasy story set in the distant future, creatures contaminated by pollution have overtaken the land, forcing humanity to live in isolated mobile cities called Regios. One such city named Zuellni is a self-contained school in which freshman Layfon Alseif has just enrolled. Layfon reluctantly joins the 17th Military Arts Platoon led by the third-year student Nina Antalk and embarks on a series of adventures.

Wang Sheng is a fortunate soul who was granted a second chance by the heavens.After he died in his previous life, Wang Sheng finds himself waking up in his younger-self’s body while retaining all the memories of his past life. He remembers that he died in a gang fight due to his lack of cultivation level. He had wasted a lot of time in his past life on internet cafés and idling.In this life, Wang Sheng decides to change his fate once and for all by cultivating properly instead of relying on random cultivation methods from the internet. As he seeks guidance from masters of different sects, he is introduced to the world of cultivation, as well as the dangers and evils that lie within. Now that he is involved in the world of cultivation, will Wang Sheng be able to navigate through the dangers of the cultivation world while redeeming himself with the help of his past-life memories?