Naruto: I'm Not a Pokémon - Chapter 197 What is this?

After choking to death on a watermelon, Rong Jiahui thought that she would enter the netherworld and be reincarnated.

But when she opened her eyes, she discovered, to her very horror, that she had returned twelve years into the past…

Looking at the beautiful and awkward “little brother” that would be conferred the title of Marshal in the future for outstanding military service, she almost let out a snort of laughter.

She firmly decided to hug the thigh of this little brother, and climb to the top of her life!

The plan was beautiful, but it had just one problem.

Why had this little brother… suddenly turned into…

A little sister…

- Description from Novelupdates

October is a woman who was cold and devoid of emotions. This was true, until she met Lexus who let her experience a whirlwind of emotions she never thought she had with a gift she never thought she'll receive.Lanna October Park is the calm and charismatic Assistant Director of the Halo Company. She talks only when needed and was not yet seen smiling by her colleagues which made her known as the Halo Company's Ice Director. But unknown to them, she was in fact the eldest daughter of the Park Real Estate Empire of the whole City D.Indifferent with her family's wealth, she decided to be independent and climb the ranks in the business world using her own capability but her stepmother is more threatened by her and so baked a lot of schemes to bring her down and make her unfit to inherit the business.Because October let her guard down for just once, she fell for one of her stepmother's schemes and was then became the talk of the city the very next day.Unbeknownst to her stepmother, the man she was with was in fact the notorious CEO, Lexus Song.Getting her innocence was one but getting pregnant was another making her career and work credibility being questioned.“I'll take responsibility.” He said.“No need. I'm already responsible enough to take care of my child.” She rejected and turned to leave but was then yanked back and bumped into his hard chest.“Then take responsibility to me.” He said shamelessly as he leaned down to whisper in her ear, “You took my innocence so you have to take responsibility, dear wife.”

Jiang Pengji got something called the Court Intrigue Stream System.
System: “Your goal is to become the most prestigious woman in the kingdom (the Queen)!”
Jiang Pengji: “Okay, System. No problem!”
Years later, she met the target by becoming the most prestigious woman (the Empress).
Jiang Pengji: “Well done, no?”

- Description from Novelupdates

"There is a thin line between poison and medicine, and I shall make you dance on it!"