Whether you celebrate them or not, most of us know about these all-important festivities. Christmas, Easter, Oktoberfest, Thanksgiving and, most importantly, the Jeff Goldblum Day. But there are other oddball celebrations, like May the 4th celebrating the Star Wars Day or November 7th paying tribute to the Mass Effect series. It just so happens that there’s also a day celebrating underwear – the National Underwear Day on August 5th. To celebrate National Underwear Day, this article is comprised of weird and kinky games from the land of the rising sun. Enjoy!