Earth's Age

This is a book that tells a story that takes place on Earth... Right? I will say it seriously, and you should listen seriously. If you want to hit me, you can hit me anyway. Five dollars a time is pretty cheap. Although there are only a few words, I still want to say this: I have only one meaning after saying so much. This story, and me, are both quite shameless. Ps: The protagonist is called Hirata, and his dream is to have a girlfriend. :-) Ps of ps: qq communication group number 467341095