Here's an Opportunity - Chapter 65: Pied Piper, Invoker of Curses (1)

After traversing through time, Li Xuan was delighted to have become the second son of Earl Chengyi's mansion, as well as a proud warrior of Liudao Fumo. However, just ten days into his privileged life, he faced fierce female supervisors, terrifying ghost-girls, and spiteful demonesses one after another.Amidst this whirlpool of challenges, Li Xuan claimed he didn't feel a bit panicked. A few years later, standing above the Yangtze River, he swung his sword, and with that, thousands of miles of landscapes were instantly frozen.Where will the demoness escape to? Take my sword!

Sam crosses to a new planet that is completely magical. He discovers that humans can have superpowers, and monsters also inhabit the planet. Humans continuously fight these monsters to protect themselves and their world.Unfortunately, Sam, who just arrived on the planet, lacks the potential to become powerful and doesn't possess any shortcuts to gain strength quickly. As a result, he resigns himself to living an average life and tries to avoid danger.However, everything changes when he graduates from the academy. He receives an invitation from his former academy to become a teacher, and simultaneously, he awakens the Teacher system.Now, on this perilous planet, if he desires to become powerful, he must accept students and empower them. Only when his students become strong will he gain strength himself. Join his journey to become the greatest teacher.

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates

Ayaan is a young resident aspiring to be a surgeon, the final stage of a full on graduated plague doctor. However, in her attempt to redeem herself after a sudden discontinuation, she finds herself unravelling mysteries about her institution that are rather gut wrenching. Stick around and watch her persevere in a world full of monsters; creatures and humans alike.