After Transmigrating into a Cannon Fodder Character in the 1980s, I Trash Them All - Chapter 616: Something Happened (1)

A teenager named Evan Mason was reincarnated into the magical world of Harry Potter and goes to school at Hogwarts!
With only his knowledge of the future and great talent for magic, he takes the path towards the top of the magic world, only to realize that ever step he took, changed everything!

- Description from Novelupdates

Chen Mobai, a male protagonist and a third-year student of Xianmen, is currently working hard to review and prepare for the entrance exam of the Daodao Institute.Originally, his biggest dream in life was to successfully establish a Foundation, until he was able to travel to another world of cultivation, and then his dream changed...When Wei Yuan finally had the opportunity to lie on a wooden chair and bask in the sun during a peaceful era, countless demons and monsters had already been sealed in the museum behind him.

Qiao Qingyu found herself transported into a period novel, becoming He Xiu Yu's dreadful ex-wife.She's the worst of them all—lazy, dumb, and wicked.She serves as a foil whose sole purpose is to advance the plot, a tool for slapstick comedy, and a contrast to highlight the intelligence and kindness of the female lead.Everyone is eagerly waiting for her to exit the stage.Faced with dangers ahead and behind, Qiao Qingyu isn't bothered at all. After all, she possesses a seed laboratory.The joy of having a golden finger is beyond your wildest imaginings!

Lin Xuan was transmigrated to a fantasy world and had a one-night stand with the powerful Ice Empress.