Should I Cheat After Traveling Through Time?

I don't live a fulfilling life, wandering around on the Internet, but I don't live a fulfilling life on the Internet either. There is no other choice but to travel through time. But what about cheating? The male protagonist is introverted and feels life is boring. One day he sees an opportunity to time travel, but other time travelers kill decisively and fly across the wasteland. Some people still need to wait and see if this link can be opened or not? . . . . . . . . . . . . . . . This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.