Comprehensive Manga Begins from the End

I, Nu Liangtong, am a time traveler. The cause of death before time travel was actually due to heat. My hair! However, I have a system, so I won't lose money this time! And from the very beginning, I traveled to the world of the Seraph of the end, and you all know what happens next... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.