One day, Wen Zhu woke up in bed and saw an unfamiliar roof, with a transparent operating page floating in front of his eyes. Instructions for using the game system... That... For those who are game idiots and can't play Tetris for less than a minute, it's a bit of a technical problem...
So, traveling through time with a system is really not the work of human beings╮(╯▽╰)╭