Examples of Such Gems are as follows:

http://epp.phys.kyushu-u.ac.jp/~oda/puki/index.php?ladyboy

http://piero.sakura.ne.jp/dqm4wiki/index.php?plugin=related&page=Off%20Color%20Links

http://fc2bbssampleen3.bbs.fc2.com/?act=reply&tid=9217896

http://fc2bbssampleen3.bbs.fc2.com/?act=reply&tid=9217879

https://wikicollector.mypixieset.com/

https://tersory1.blogspot.com/2021/01/7-high-authority-backlinks-and-how-to.html

Collector Of All Useful Wiki Links