TVシリーズの続編となるOVAシリーズ4年生編。全3巻発売。
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.
面前出现一个自称是恶役大小姐有趣的婚约者,这么有趣,观察观察她也是不错的乐趣呢~