An Extra's Rise in an Eroge - Chapter 27: The Primordial Sisters

Having been confessed by the person you in love with must be a dream come true.That happened to me. However, I found out later that the confession is not meant for me but for my classmate named Kyzer. he’s handsome, rich, and popular. On top of that, he’s a top student.It all happened because of the tiger costume I am wearing .Feeling defeated, I went back home with a bleeding heart.On my way toward home, a white van stopped in front of me and abducted me. I was abducted because they thought I was Kyzer thanks to the costume.A series of misfortunes befell to me one after another.When I opened my eyes again, I found myself in an unfamiliar room. Then I become the subject of a weird experiment.In the next day, I woke up in my bed by a loud ringing and discovered some weird widgets floating in front of my vision.I learned later that the peaceful city I was living till today is now in an apocalyptic situation. Demonic creatures were running rampant causing chaos to the land.Using my System, I will survive in this apocalypse.

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

An ordinary student, a wretched peeper, a cowardly teenager with a kind heart. In a terrorist attack, he inherited the knowledge of countless elites, embarked on a path of God Jagged Tu…

He is an artist!

He is a mathematician!

He is a psychology Doctor!

He is a master of fighting!

In fact, he is a man

Taken off raw site:

A wretched, dirty young man is working during the summer when he was caught up in a mysterious explosion. After that explosion, the young man is then left with the memories and knowledge of dozens of the world’s experts.

He has changed, his heart has become cold, iron-blooded. He became a killing machine, his mind turned mechanical, calculative. Everything goes according to his plans and calculations!

In this magical, slaughterous world, a door is opened for him…

- Description from Novelupdates

Kaiden Tian’s aspirations of basketball stardom take a heartbreaking turn when a car accident not only claims his mother’s life but also robs him of his ability to walk. Undiscouraged, he settles for a role as the waterboy of a top high school basketball team, determined to stay close to the game he loves. However, he meets an untimely death and finds himself inhabiting the body of Kai Guo, a notorious troublemaker blessed with an ideal physical form. [Welcome to the Rise to Legend System!] With this second chance at life, Kaiden sees an opportunity to rewrite his destiny and fulfill the dreams that were once shattered.