Otome Game no Heroine de Saikyou Survival - Chapter 224.2

In this world, orphans or just anyone without any hope for this world can apply to become a “walking target”. Their sole purpose is to be a practicing dummy for the students of the sect who train to become “Demon Hunters”. These students need “walking targets” to test their training on living, walking beings of flesh and blood.
In exchange, they will be provided with food & shelter.
Their existence value is lower than a slave, but if they manage to survive a few years they can receive a life long pension.

Xiao Han is such a “walking target”. One time he witnessed a powerful Demon Hunter disposing a demon. When the demon died, a fragment of the demon that managed to escape entered Xiao Han’s heart. No one saw that, and even Xiao Han himself only felt some discomfort for an instant.

But that thing in his heart soon gave Xiao Han visions, and the first one is of a cultivation method which allows Xiao Han to absorb damage to enhance his body. A perfect cultivation method for a “walking target”.

- Description from Novelupdates

After being imprisoned in the basement by her mother for ten years, she ended her cruel and tragic life in death when they forced her to hand over the key to the hidden treasure. Getting reborn in her teenage years, she woke up in the bed of that terrible and powerful man. This time, she must take revenge on her enemy, and now she must live.

At the beginning, he said: “Little concubine from Jiangning County, what an insult to status, I won’t marry!”

After seeing it, he tsk-tsk: “It’s so weak, it’s too weak, I don’t want it!”

When she came to the door alone with a marriage certificate, he stood leaning against the door and smiled subduedly, “Come and let me marry you? But I don’t want to marry young!”

Knowing that she came to divorce the engagement, his complexion was completely dark, and he wanted to kill someone gloomyly, “Who gave you the courage to withdraw the young master’s engagement?”

…

Su Rong felt that Princess Duanhua might be blind. This person is so pampered, how could it be worth her to die and live for him?

If I had known, when she saw him for the first time, she threw the divorce letter in his face.

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The hibiscus pillow is delicate and springy, and the hall is full of flowers drunk without knowing it. ——Su Rong

A young man in fresh clothes and angry horse walks, and his whole life is a mistake. ——Zhou Gu

Your wish is my wish, I wish to know you early, to protect you with brocade red in the jade hall, break through obstacles, cut thorns, hands are not stained with blood, clean, and I am the gentle and soft little girl I first saw.

Your wish is my wish, I wish I had known you earlier, when you were bright and bright, I was careful not to approach, frightened the sparrows, and prayed to turn into the moon in the sky, projected into your arms, to accompany you to see the flowers in spring and the snow in winter, and Changan every year.

- Description from novelbuddy

Cui Heng was transmigrated to another world and the system told him that the new world he was in was a high-grade Xianxia world.