Here is the list of Yu Yu Hakusho doujinshi that I own. I will update this when I get more.
1.Title - 本番
Circle - ベルサイユの妻たち
Date of Publication - 1/31/1993
where I got it - Ebay
2.Title - nuponupo動画がR18をお知らせしま
Circle - ANEMONE
Date of Publication - 6/1/2014
where I got it - Toranoana
3.Title - Pigeons Blood 3
Circle - Comodo
Date of Publication - doesn't say
where I got it - Ebay
4.Title - Genocide
Circle - GEDOU GAL'S
Date of Publication - 10/10/1992
where I got it - Ebay
5.Title - RAN
Circle - GEDOU GAL'S
Date of Publication - 8/15/1992
where I got it - Ebay
6.Title - 記憶の森
Circle - 漫遊惑星
Date of Publication - 2/19/1995
where I got it - Ebay
7.Title - 純情クレイジーフルーチェ
Circle - PIKAPIKA
Date of Publication - 8/18/1995
where I got it - Sakura con
8.Title - 君がDAISUKI
Circle - Private Label
Date of Publication - 2/27/1994
where I got it - Ebay
9.Title - Guren - 2
Circle - TENDERNESS
Date of Publication - 1993
where I got it - Ebay
10.Title - 触手ちゃんにおまかせ
Circle - 銀のまほろば
Date of Publication - 6/7/2015
where I got it - Toranoana
11.Title - 黒い秘密兵器
Circle - 成金商会
Date of Publication - 12/29/1995
where I got it - Ebay
12.Title - 狐のしつけ方
Circle - 新生ロリショタ
Date of Publication - 5/5/2019
where I got it - Suruga-ya