Astra Ludger Doomsday, former captain of the royal knights has finally achieved his dearest wish: To retire and use his savings to get his very own house. But not long after finally arriving at his sanctuary, a young girl crash-lands into his house. The girl is an apprentice witch and seems to mistake Astra for someone else.

Short anime inspired by the iOS and Android mobile game God Eater Resonant Ops that introduces the characters through their first day of school.