Dorothy's Forbidden Grimoire - Chapter 31: School

On the day of her escape from prison, she had died unexpectedly and was reborn into the body of Madam Huo.
He was the heir to the number one financial magnate. She had charged out of nowhere and from then on, the obedient and weak Madam Huo had started to awaken. She had been trampled under her feet.
Huo Shao had expressed that since she had already been conquered, wouldn’t it be too unfair for her if she did not give her body to him?
The muzzle of the gun was aimed at her head, “I only lost my wife and did not divorce. Choose between loving me or dying for love. ”
Gu Ruochu,”…”
Do I still have a choice?

- Description from webnovel

Ever since she transmigrated, she was blessed with an inbuilt anti-poison detector.

Earth is dying. The sun is expanding at an uncontrollable rate, but Theo Spencer is alright with this. He's led a deplorable life. When the end comes, a mysterious entity grants him the gift of reincarnation. The gift of a quiet life as an alchemist.

Theo awakens in a small town in the southern reaches of a small kingdom in a non-human body. Broken Tusk doesn't seem like much, but his legendary alchemy skills will soon turn their fortune.

Join Theo on his journey to turn the swamp-town of Broken Tusk into a prosperous trade town.

Konoha’s blue beast: “I want to prove that even if you don’t know ninjutsu or illusion, you can become an excellent ninja. This is the whole of my life. This is my way of ninja!”

The Roaring Emperor of Clover*: “I want to prove to everyone that no matter whether you are a poor ghost or an outcast, you can achieve great things!”

Hao Fan: “If there is any relationship between these two other than being equally inspirational, it is that my buddies were unlucky enough to transmigrate and become Rock Lee first. Because of physical defects, they couldn’t control Zach to perform ninjutsu, and then protested to the system. Afterwards, he transmigrated into Asta who couldn’t use magic…”

- Description from novelbuddy