Baka to Test to Shoukanjuu: Mondai - Christmas ni Tsuite Kotae Nasai - The Idiot, the Tests, and the Summoned Creatures: Christmas Special, Baka to Test to Shoukanjuu: Christmas Special (2009)
Girls und Panzer das Finale OVA, Girls & Panzer: Daikon War!, Fushou Akiyama Yukari no Sensha Kouza: Unique na Suiriku Ryouyou Sensha-hen, The Humble Akiyama Yukari's Tank Course: Unique Amphibious Tank (2021)