Su Xiaobai bound himself to a sign-in System, hoping to be a laid-back senior disciple at an immortal sacred ground, quietly signing in every day. But the junior disciples his master brought home were all troublemakers: a reborn empress, a good-for-nothing who'd broken off an engagement, and more, each blessed with extraordinary luck. To protect the peaceful daily life on Purple Cloud Peak, Su Xiaobai had no choice but to step in. With a sword intent that brings annihilation and an overwhelming aura of killing, one slash cleaves open the heavens! When the apocalypse descends, Su Xiaobai sighs. "I just want to sign in quietly..."