Online Game: I Possess a Monster Merging Simulator! - Chapter 30

In the tenth year after the new era, the world finally came to an end. Zhang Mu truefully waited for his death, but unexpectedly found that he had returned to ten years ago. With his memory about the future, he swore that he would change the calamitous history, saving the earth from being destroyed! Walking dead, zergs, evolvers, and various mutated animals… nothing can stop him! The first step is to retrieve his identity as an era merchant , then find all the treasures he can remember to enhance himself!

A martial art expert from the Song dynasty lives like a Phoenix that can live again in another body after death. This time, he happened to take over the body of a Japanese high schooler who is also a victim of bullying and has a bit complicated family circumstances.

- Description from Novelupdates

After his soul transmigrated into the world of Teyvat, Luo Qing was selected to become the new Trainee Fatui Harbinger, and he was about to be sent to Liyue on a diplomatic mission (to cause chaos). To his surprise, he awakened a “Frustration Value Collection System” — as long as he frustrated others, he could collect frustration points, which he could use to participate in a lottery.As he stared at the list of items in the lottery interface, Luo Qing fell deep in thought:“Spirit Speech: Time Zero,” “Multi-Shadow Clone Technique,” “Thunder Breathing Style,” “Golden Experience Requiem,” “Railgun,” “Gomu Gomu no Mi...”Why on earth were these things appearing in the world of Teyvat?!Given the notorious reputation of a Harbinger, Luo Qing knew that if he didn’t grow strong, he was certainly doomed to a miserable end. Thus, his style became... increasingly abstract...---Years later, to prevent the infamous Fatui Harbinger, Luo Qing, from causing havoc everywhere, the people and political leaders of the Seven Nations united to issue a formal protest to Snezhnaya.In response, the Fatui in Snezhnaya issued an official statement:“This Harbinger is only a trainee. He has been dismissed.”

Follow Kairi Izumi—a quiet, eccentric, and somewhat conspicuous girl— who never felt like anything but an NPC in a story. Working behind the scenes, unnoticed by others had always been part of her daily life, dwelling with medicine and toxins.So, it's not surprising that she wasn't tad attractive according to others.That is, until one day... that guy, he confessed to me.Wait a minute—doesn't that mean I'm a heroine now? Hang on, how is that even possible? Me? Heroine? No way! I’m just a girl from a small village who likes to help others. I don’t particularly stand out, and compared to the other girls, I’m not even that attractive.And so, a question lingers, driving the unfolding of this dumbfounding narrative forward:Wait, what do you mean I got reincarnated to be a heroine?That's weird because usually a heroine is not strong let alone smart - they are usually dumb, cute and pretty. Definitely not me. I mean, how is that possible? Me? Heroine? No way!