Ghosts Revive, Monsters Help Me Practice

[No harem] + [Not invincible] + [Light weird] + [No system] + [Not brainless] + [The protagonist kills decisively] This world is so crazy, the mouse is the bridesmaid to the cat. The ghosts and monsters caused chaos among the people, and the crops in the fields grew upside down. When Chen Yan woke up, he felt like he was in a nightmare. In front of him was no longer the familiar cold hospital bed, but in a completely unfamiliar situation. Just when he was full of doubts, he suddenly heard bursts of noise coming from the distance. He followed the sound and saw that he was in the middle of a wedding team, marching mightily. The team was decorated with lights and colorful lights and was filled with joy...