I really enjoyed this as a pure fan of Gintama. It's not just about the characters fucking (tho I wish there was a bit more ;P) but I really appreciate how the author's sense of humor and whimsicalness is LEGIT on point with the things Gintoki and Hijikata (and others) would really say in the actual Gintama.
For me, that's really important. Sometimes Djs are so much smut and then it feels the reality is so unattainable because the characters wouldn't actually naturally say such things. But this does a great job :)
Gintama dj - Natsu no Akari