Ep. 4: Flashbacks reveal how Issei discovered and perfected his Dress Break technique

4

The narrative presents several flashbacks detailing the process by which Issei first learned about and subsequently mastered his signature technique, Dress Break. The episode concludes with Issei putting his new skills to the test against two of the most powerful Devils he knows: Rias and Akeno. This demonstration causes significant dismay for Rias, highlighting the unexpected and potentially troublesome nature of his development. The sequence focuses entirely on the origin and application of this specific move without introducing unrelated plot points or character arcs.