Unbreakable Machine-Doll OVA
Plot Summary: Original animation to be included in the BD and DVD volume releases of Machine-Doll wa Kizutsukanai. Volume 1: "Soshite Futari wa Manabisha e (And So They Arrive at School)" Volume 2: "Irori, Rotenburo de Sosou suru (Irori Has an Accident at the Open-Air Bath)" Volume 3: "Char and Frey, Senritsu no Bathroom (Charl, Frey, and the Bathroom of Terror)" Volume 4: "Akabane Nadeshiko, Natsu no Yo no Yume (Nadeshiko Akabane, Midsummer Night's Dream)" Volume 5: "Kojin Jugyou: Imishitsu de Bijo Futari to~ (Private Lesson - Two Beauties in an Infirmary)" Volume 6: "Bishoujo Shuugou! Mizugi Darake no Daisoudou (Pretty Girls Gather! Swimsuit-Stubbed Pandemonium)"
Type: fall 2013 Anime
Date aired: 2013-12-25
Other name: Machine-Doll wa Kizutsukanai OVA, Unbreakable Machine-Doll