Close the Last door

Close the Last Door (最後のドアを閉めろ!, Saigo no Door wo Shimero!) is a manga series written by Yugi Yamada. It has been adapted into an OVA directed by Tama. It is licensed in North America by Digital Manga Publishing, which published the first volume in 2006.

Plot
After being best man at his best friend's (Saitou Toshihisa) wedding, Nagai Atsushi realizes that he might never be with the man he loves, Saitou. Nagai, drowning in his sorrows and hatred for the new bride then meets Honda Kenzou, another guest at the wedding, a friend of the bride's. Honda took care of Nagai when he was dead drunk and now Nagai thinks he may have feelings for both men. Things start to get complicated when Saitou's bride runs off with another man and Saitou starts hitting on Nagai.