漫画第14卷(2019年11月1日发售)的动画BD同捆版收录时长25分的OAD。
讲述地狱的恶魔公主Charlie Morningstar开了一家客栈来救赎罪人,以缓解地狱的人口过载危机。
Some autobots are captured. The remaining Autobots team up with some rebels to free their friends, the rebels know all the weaknesses of their enemies machines. They merge with the Autobots to become Headmasters to free their friends.