The Scum Villain’s Self-Saving System - Chapter 27

At the age of 15, He Jin found himself a “husband” in an online game, their love was filled with loving affection and sweetness. However, because his study was being interfered with, his parent cut off the internet, he didn’t even have a chance to say goodbye and had to disappear from the game.

Witnessing her boyfriend cheating on her with her bestie, Shiyao was so angry that she went to a pub for fun and met a man, who was really a piece of work. After a crazy night she fled away, but was embarrassed to know that the man she slept with was her boss You Ze.
Jesus, give her a break!

- Description from Novelupdates

Zhou Leng was once a martial arts genius yet since being attacked by demons half a year ago he has gained no progress in his cultivation.The turning point comes when he heads into the mountain to find his dog, where a majestic tree seems to heal his injuries.“What if that unknown otherworld is a demon lair...”As Zhou Leng hesitates, a vast white shadow of the Frost Giant Tree flashes in the depths of his eyes.“What was I thinking just now?”

Long Fei, a cross-timer and doujin, is an otaku who traveled to another world. In the original world, he was an otaku fan of Gundam and military science fiction.

He died in an accident and was reincarnated into another world. The Gundam works he had read before his death and the techniques in various military novels could be brought to another world.

How would he use the Gundam that Long Fei created? What waves can be caused in this different world?

- Description from novelbuddy