Valkyrie's Shadow - Chapter 7Birthright: Act 1,

A girl who calls herself a demon appeared before a timid student named Fumio Kijima. The girl claims to be a campaign girl from the demon world and she gives him the ability to “summon a room” from nothing but thin air.

At first he doesn’t abuse his power and uses it as a convenient ability in his every day life. But one day he is bullied by his classmates under a false pretext and is made to suffer. In the past he would have wallowed in misery and cried himself to sleep, but now he had a power to call upon.

“I will make them regret it!”

Using his powers to summon his “room”, he begins his era of confinement and brainwashing to achieve his goals.

Only I know the end of this world.

One day our MC finds himself stuck in the world of his favorite webnovel. What does he do to survive? It is a world struck by catastrophe and danger all around.

His edge? He knows the plot of the story to end. Because he was the sole reader that stuck with it. Read his story to see how he survives!

In his first life, Victor was lazy, poor, and the ultimate gambler, but the Goddess of Envy gave him a chance.

[ Die and go back four years into the past to restart your life. ]

Victor lost all hope and killed himself, and so began his second and also the most miserable life.

He became rich and successful but soon his girlfriend betrayed him and took away all his fortune, having decided on a desperate act Victor came up with a plan to avenge himself.

Although his plan was successfully executed, Victor hoped that this time he would die once for all and forget the despair that followed him through his two lifetimes.

Yet as if to deny him of his salvation, he suddenly heard a feminine voice once again, but a different one this time.

[ Goddess of Lust, surprised by your actions, grants you a gift ]

[ Yandere system activated! ]

It was a turning point for Victor.

From now on whether it is a Goddess, a Vampire or a Succubus, no matter who it is I must seduce you or I will surely die this time!

Ruan Yingyin is a silver hamster who inexplicably transmigrated into the novel 《After the rebirth of the villain》she had read.

The villain Jiang Xingyuan had a girlfriend named Ruan Yingyin in his previous life, but Ruan Yingyin later betrayed him, causing Jiang Xingyuan to go bankrupt, and finally ran away with money.

Jiang Xingyuan’s ending in the novel was miserable. He regressed back to high school and retaliated against Ruan Yingyin. Ruan Yingyin’s ending was much more miserable than Jiang Xing Yuan.

After remembering everything, Ruan Yingyin: As a silver hamster essence who transmigrated into the book, I just want to concentrate on studies. QAQ

Ruan Yingyin felt that she had to study hard to catch up with her classmates. But when the results came out, she was the first.

Ruan Yingyin felt that she could not sprint, but when she ran, she crossed the finish line first.

Ruan Yingyin felt that she wasn’t good at singing. As a result, at the school party, a small video of her singing was posted on the Internet, instantly gaining countless fans. Even people from the recording company came to invite her to debut as an idol…

The villain who bullied her at first, he stepped on her chocolate, kicked her stool, and forced her to eat mustard, finally, hugged her tightly in his arms and whispered to her, “baby, help me…”

- Description from Novelupdates