I'm The Devil - Chapter 14: Meeting of the Nymphs

As long as hamster spirit Shu Shu can survive the lightning tribulation, then his cultivation will be able to turn him into a human. In the end, the lightning tribulation strikes him and he arrives in the… future?

Touching the hamster’s ear on his head, in order not to be seen by people and taken to be a monster, Shu Shu decides to dig a hole in the forest to hide and live, and as a result… a very big snake aaaahhhh! Please, don’t eat me!

The crown prince of the beast empire is seriously injured and becomes a beast that could no longer change into human form. He lives alone in the forest. One day, he sees a cute sub beastman deep in the forest. The sub beastman also sees him. At once, the sub beastman’s eyes roll backwards and he faints…. Scared to death?

Shu Shu: I have a unique technique of faking death.

- Description from Novelupdates

Hiding in the Cold Palace and eventually becoming a Boss of Sorts. Li Mu was transported to a fantastical world and became a measly eunuch of the State of Xia. Despite having initially thought that his life would be a miserable one, he had unexpectedly acquired a check-in system.

On his usual way to home Mikado Tsuchio fell into a hole that suddenly opened on the ground. Just like that, Tsuchio falls in a different world, he lands on a Grappler Wyvern and manages to tame it.

Tsuchio decides just like that to live in the other world, the reason for his quick decision: he wants to make a monster girl harem.