Special episodes of Xiaoke de Huatu Xie Hua which aired before the series.

He has always been ambitious, hoping to become the Army Marshal that united the universe. In his mind, in order to become the Army Marshal, he first need to become General, and way before that, a soldier. A journey of hero, an average looking young man, recently graduated from his high school accidentally enlisted in a division that, technically no longer exists. His journey began with torture, but a good torture by his instructors. He always had a dream of becoming an Army Marshal that united the humanity in the universe, and his instructors laid the foundation for him, using an unorthodox teaching methods. The first step, or the first hurdle for him was to survive his basic training in a boot camp, withstanding the good-willed tortured of his instructor. He did survive, he graduated successfully, and the sky's limit for him. (Source: Novel Updates)

In an attempt for survival, Yu Renjie, the son of the demon lord, was ordered to enter Hero's Academy which only recruits distinguished and upright disciples. The goal is to obtain a Hero's Certificate which can bring legitimacy to the demon clan. This is extremely dangerous. Once the identity of a demon cultist is exposed, countless righteous knights will kill them on the spot. But on the first day of school, Yu Renjie was shocked to find out that his personal information had been leaked. In order to hide his identity, he had no choice but to put on women's clothing. His dangerous and hilarious campus life is about to unfold! (Source: Bilibili Comics)

In the future world, human exploration of the universe has entered a prosperous era. Machinist Chen Mo originally thought he would successfully reach the new world-the Wild Land in an interstellar spacecraft. Unexpectedly, when he woke up, the Wild Land has become scorched, and his teammates turned into terrifying puppet monsters. Chen Mo didn't know that during several hundred years of sleeping in the dormancy chamber, humans had established an interstellar federation, and the Wild Land had become an abyss. Why am I still alive? ——With countless questions, Chen Mo repaired four robot assistants with different personalities and different functions. With their help, Chen Mo prepared to return to the earth. However, an alien woman appeared, and completely disrupted his return plan... (Source: WeTV)