Unbreakable Machine-Doll OVA

OVAs to be included in the BD and DVD volume releases of Kikou Shoujo wa Kizutsukanai. Volume 1: "Soshite Futari wa Manabisha e (Then The Two Goes to Learning Dorm)" Volume 2: "Irori, Rotenburo de Sosou suru (Irori being Careless at Open Air Hot Spring)" Volume 3: "Char and Frey, Senritsu no Bathroom (Charlotte and Frey, Fearsome Bathroom)" Volume 4: "Akabane Nadeshiko, Natsu no Yo no Yume (...