This is really not mechanical ascension - Chapter 24 - : Take Action! Guard the Gate?

# SCANDALOUS GIRLFRIENDZhou Yun was just a newly debuted actress, but because she happened to stay in the same hotel as the top male celebrity, Song Chi, she became “Song Chi's underground girlfriend” that the entire nation had their eyes on. She was now trending on the internet.“She's taking advantage of my big brother's popularity!”“My big brother would never fall for a woman like her!”“Zhou Yun, you should get out of showbiz!”…There were curses all around. Facing such an undeserving calamity, Zhou Yun had a hard time saying anything.At this moment, a stranger suddenly sent her a friend request.He asked, “I heard that you're my girlfriend?”“Who are you?” Zhou Yun asked.He replied, “Song Chi.”

In one lifetime, he gave up his heart so that she might live. In this new lifetime, she’ll pledge her heart to him forever.“I’m your future wife,” she declared her love at their first encounter. Shocked by this mysterious woman professing her love, Mr. Hao chose to take her in and learn more about her. He would give her anything she wanted, except his hand in marriage…because he wanted to be the one who asked “Will you be my future wife?”Will their love blossom again? Will she be his future wife? Follow the journey of Mo Yun & Hao Yansen in “You Are My Only Sunshine.”

A chance to change, to challenge destiny, making dreams a reality, and live a legend! A regular man gains a system that allows him to turn into a fish!

- Description from Novelupdates

The world’s top level hacker, Shi Lei; due to him hacking the world’s top military powers during a joint exercise and attempting to steal information from them, ultimately leads him to get sold out by his own organization. This act eventually caused his own death by a missile bombardment.

God was playing a joke on him and allowed him to return back to six years ago, the autumn season of when he was still at his university. Being given another chance, plus the fact that he retained his ability as one of the best in hacking technology, Shi Lei decided to change his life! During his previous life, he was only an assassin in the dark. Although such an existence made people afraid of him, he would have to always hide within the shadows. In his new life, not only does he want to be an assassin in the dark, he also wants to stand openly in the middle of the world stage. Creating a world-class super enterprise, he will single handy change the whole world!

- Description from Novelupdates