After Rebirth, I Pampered My Sickly Sister to the Heavens

[Double life] + [No blood relationship] + [Single heroine] + [Yandere] In his previous life, Gu Xingci personally pushed his adopted sister into the abyss for a girlfriend who was full of lies. It wasn't until he died that he knew that the person who was willing to give everything for him was never someone else, but the girl who called him brother with a smile every day. Live a new life. Gu Xingci swore that he would never let his sister get hurt again in this life. He doesn't want to fall in love, he just wants to be a good brother quietly. But gradually, he found that things were getting more and more wrong. My sister is getting more and more clingy. Until later. Gu Xingci just discovered it. My sister is not only the world's top killer. She is still a yandere who has been reborn. One year after her rebirth, my sister activated time stasis, "Brother, this time... You can't run away."