After Rebirth, Mrs. He Dotes On Her Husband - Chapter 450 - : The He Brothers’ Internal Conflict?

Her previous life was pitiful. Soon after her birth, her father abandoned his wife and daughter for his first love and left for the city. Her mother left her at her grandmother's house, being indifferent to her suffer, and even schemed to marry her to her couin's lover. What's more, after escaping to the city, she was betrayed by her stepmother and stepsister, being stolen one of her kidneys! Without knowing the truth, she mistook them as benefactors, serving them just as a maid. She later found the truth and accidentally acquired a special space, enjoying good life for about two years before dying suddenly and inexplicably.After being reborn, she strived to avoid the pitfalls of her former life, yet was nearly overwhelmed by the truth when she discovered it.It turned out that the stepmother she hated most was actually her biological mother, and the person she most respected in her former life was actually her father.In her previous life, she had never been in love, and she was uninterested after her rebirth until she inadvertently stumbled upon love and extreme doting.In his previous life, he was also pitiable, but later became extremely wealthy. In this life, because of her, he became even more domineering.

Based on the popular Vocaloid series, by HoneyWorks, called “Kokuhoku Yokou Renshuu (Confession Rehearsal)“:

Natsuki, a third-year at Sakuragaoka High School, who holds unrequited feelings for her childhood friend, Yuu, who’s in the Film Club. However, instead of being honest about her feelings, she makes him be her confession “rehearsal” partner. Unable to say her true feelings, things start to get complicated when Miou and Akari, who are also in the Art Club, get involved! Will she ever be able to confess for real!?

A teenager named Evan Mason was reincarnated into the magical world of Harry Potter and goes to school at Hogwarts!
With only his knowledge of the future and great talent for magic, he takes the path towards the top of the magic world, only to realize that ever step he took, changed everything!

- Description from Novelupdates

A slime randomly falls into existence. Sapient and born with the ability to recreate parts of the things it preys upon, the highly confused drop of primordial soup decides that the only real thing it can do is become the being at the top of the food chain. A task of longevity in the leaves of the Omniverse.