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He once did not cherish his time in high school and college, but he became increasingly frustrated after entering the society. He finally collapsed under the pressure and chose to commit suicide one night. However, when he opened his eyes, he found that he was back in his senior year of high school. If you start over, you will never be disappointed again!

An ordinary college student, after a heroic act, was suddenly bound to a mysterious system. However, the arrival of the system also heralded a huge change in the world!