The protagonist is BT, BL is certain, NP is inevitable,
Footprints must be left behind. This article is nonsense and the author is a passerby.
This article is written by an unknown man who traveled to the bright moon of Qin Dynasty, although (sweating) other people and things appear from time to time^-^
This author gives up one pit and opens another
Take a look at Time Travel to Gintama
http://www. Jjwxc. Net/onebook. Php? Novelid=361360