Reborn, I Spoil My Sickly-Sweet Younger Sister Rotten

[Both reborn] + [Unrelated by blood] + [One heroine] + [Yandere]

In his previous life, Gu Xingci pushed his adoptive younger sister into the abyss for a girlfriend who lied through her teeth.

Only as he lay dying did he learn that the person willing to give everything for him had never been anyone else. It was the girl who smiled and called him “big brother” every day.

Reborn into a new life.

Gu Xingci swore he would never let his sister get hurt again.

He wanted no romance. He only wanted to quietly be a good big brother.

But little by little, he realized something was very wrong.

His sister was getting more and more clingy.

Until, at last, Gu Xingci discovered the truth.

His sister wasn’t just the world’s top assassin.

She was also a yandere who had been reborn.

A year after her rebirth, his sister stopped time. “Big brother, this time... you’re not getting away.”