Trinity Seven OVA
Plot Summary: Bundled with limited edition of the 11th compiled volume of the manga. The premise of the OVA will be written by Kenji Saitou and will deal with a "hilarious festival." The 11th volume is scheduled to be shipped on March 25th.
Other name: Trinity Seven: Nanatsu no Taizai to Nana Madoushi, トリニティセブン 七つの大罪と七魔道士