Return to High School: I Awakened the God-Level Sign-In System

The plane crashed in Jiangyang, and he was reborn before returning to the college entrance examination. His grades, which were already terrible, were even worse after so many years of absence. Scumbag. At this time, he awakened the god-level sign-in system, and he could get generous rewards just by signing in. However, after being excited for only three minutes, he discovered that his system was a bit buggy. . He came last in the exam and the system made him feel shameless? When he meets his future wife, the system asks him to output dirty words? He was punished to reflect during the flag-raising ceremony, and the system asked him to confess? His sign-in and development were getting better and better, and he finally got a chance. The system actually asked him to hold his pony tight. A? Help! Isn't this system really sent by God to mess with him?