Sign-In System In Another World sisiaw

The main character of this story, Xu Yongzheng is nearly killed in a duel for courting an Inner Disciple's crush.

The elder monitoring the match turns a blind eye to the Inner Disciple's actions.

Xu Yongzheng during his last dying moments unintentionally awakens the Sign-In System.
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"Sign in!"

"Congratulations! The owner has obtained S-Class Item: Isolated Space!"