Cultivation of the Cowardly: Senior Sister, Stop Messing Around!

Reborn as a lowly disciple in a demonic sect, I awakened a miraculous sign-in system that grants me power just by sweeping floors. My master plan? Stay under the radar and cultivate in secret until I'm invincible. But my cold, beautiful Saintess senior sister is watching me with increasingly suspicious eyes. When she finally corners me, her crimson lips curl into a knowing smile: "Junior brother, have you been secretly visiting me every night?" I panic. "Senior sister, I'm just a janitor!" She laughs. "Then who slaughtered that Nascent Soul ancestor on the back mountain last night?" My cover i…