MTL - Invincible Non-stop Upgrading System - Chapter 805 Heteromorphism

Li Ke Lin (also Li Colin), a Chinese office worker, woke up to find himself suddenly no longer Li Ke Lin but instead Colin Lee, son of multi-billionaire in America. Having taken over the body of Colin Lee and carefully imitated his manners and bearings, his next goal is to inherit his father’s wealth. However, when his father lists the condition of marrying a woman who feels repulsed by Colin Lee’s (not Li Colin’s) dalliances, and whose very nature is the complete opposite of Colin Lee (not Li Colin), what must he do to gain her affection?!

“She had just traveled through time and now she’s doing a cesarean on her dead mother? And the children were still alive! Then, she had barely had the time to relish in her joy before the stupid villagers were going to burn her as a witch? Later, an emperor arrived on his horse and said, “Come with me.” The girl asked, “Why?” He answered, “Help my precious horse deliver her foal!”

Lin Fuyin had only thought of leading a quiet life with her two siblings after avenging her mother. She had never thought of being embroiled in the murder within the royal family as a village girl! Follow Fuyin through her tempestuous journey and as she stands at the top of the Wei Kingdom! The phoenix flaps its wings, about to soar…”

- Description from Novelupdates

Being given a chance and reincarnated is nice and all, yet why do I have to become that male friend who just watches the protagonist flirting with his harem?---World: Kaguya-sama: Love Is War - Hyouka ----

Hugo Fernandez, a short, skinny virgin with zero charm, was a young man with grand dreams. He had just started college and was brimming with hope for a bright future, but a rather unfortunate food poisoning ’incident’ soon turned his life from bad to worse. He experienced a social death! Out of the blue, a mysterious girl’s voice echoed in his head: [Ding! Fate has aligned, and your woeful destiny with women has reached the heavens! You have been granted the Ultimate Harem System!!!] Hugo’s listless eyes widened. Had he finally received his own cheat code? Was it time for him to ascend to the heavens in a single leap and start attracting women left and right? The mysterious voice spoke again: [Ding! Initialising Death mission... Seduce a 7+ woman within one month or die!] Hugo blinked, his jaw dropping. “Wait, what? Seduce a 7+ woman or die? What kind of medieval torture is this? I can’t even seduce my reflection!” After taking a minute to calm down, he realised it wasn’t as bad as he thought. “In the worst case, I can burrow some money and get a pro-” [No pay pigging] Hugo realised he was soon going to experience a real death! This system was out for his blood! [Tick tock, Romeo. Time’s wasting…] “I’m gonna die!” Join Hugo on a captivating, deadly journey filled with debauchery, womanising, and thrilling level-ups as he rises above all and becomes a Supreme Casanova! If he doesn’t die first, that is…