From the Start, I Was Given a Childhood Sweetheart and Can See Everyone's Secrets

The first thing Xu Yang saw when he woke up was his childhood sweetheart, whose affection for him was maxed out. Before he could even feel happy, he discovered that in two days she would be violated and killed, and that three months later the entire sect would be wiped out... If that was how things stood, what was there to hesitate about? Just kill them all...