One-man live "Ongeki 4th Anniversary Live - Memories of O.N.G.E.K.I." held at Zepp DiverCity on Sunday, May 15, 2022" Live Blu-ray is a gorgeous edition that includes the MV of successive theme songs including "STARTLINER" as a bonus video in addition to the full live video starring Ongeki Characters.

With the intention of appearing in an event on a southern island, the students of Four Star Academy are taking off! There, rumors about a pair of legendary dresses sleeping within the island... A story about Yume and Laura's friendship, with S4 taking the stage together for the first time. Furthermore, putting the legendary dresses into a Dress Make... A thrilling and exciting Aikatsu! story is coming to theaters this summer!