Okabe grows concerned over the drastic changes his experimentation is causing, and the IBN-5100 disappears from the lab. The only hope for finding a replacement rests upon the delicate shoulders of Feyris the cat girl.

Cast: Mamoru Miyano, Asami Imai, Kana Hanazawa, Tomokazu Seki, Yû Kobayashi, Haruko Momoi, Saori Gotô, Taira Kikumoto, Shinya Fukumatsu, Iori Nomizu, Ashly Burch, Cherami Leigh, Trina Nishimura, Tyson Rinehart, Jad Saxton