After Rebirth, I Changed My Mentor

On the day of graduate school graduation, the protagonist is prone to being maliciously postponed by his tutor. In desperation, he and his tutor have a close fight. Because he exposed his tutor's academic misconduct and data falsification, he is brutally murdered by his tutor, and is unexpectedly reborn back to 2018. After being severely beaten by society, Yi Yi returned to high school with the experience of his previous life. In this life, it was easy to decide that he no longer wanted to survive. In this life, he did not dare to choose anything he did not dare to do in the previous life. In the previous life, he knelt down to beg for something, but in this life, he had to stand and take it.