A Daily Sign-In Grants an SSS Superpower, and I Can Stop Time from the Start

On the day the world underwent its great mutation, foul blood seeped from the classroom walls. As my deskmate sprouted fangs and lunged at me, a System notification popped up before my eyes. "Ding! Congratulations, you've awakened an SSS-rank ability: Time Stop." In the hallway, a three-meter-tall lava monster had just raised its giant claw. I strolled behind it and tapped its shoulder. "You're in my way." The moment time resumed, the monster's upper body slid diagonally off. "Notice: You can sign in for a new ability tomorrow." Looking at the monsters all over campus, I smiled. An invincible sign-in novel? Sounds pretty good. 1. Blood was seeping from the walls. It wasn't a hallucination. The viscous, blackened grime