This contains the side stories during the time the Mankai Company was rebuilt.

The story of Mairimashita! Iruma-kun follows Iruma, a kind-hearted 14-year-old boy whose parents sell him to demons for their own selfish interests. However, the demon he is sold to has no grandson of his own, so he dotes on Iruma and sends him to demon school.

In Summer Troupe Live, the music that was shown at "Four Seasons LIVE 2020" and the new songs recorded in the album released on August 18, 2021 will be performed by the cast members.

The second installment of Ensemble Stars! Extra Stage. It adapts the in-game event stories Reminiscence*Marionette and Milky Way, and ran December 28th 2018-February 15th 2019.

The first live concert for Ensemble Stars! On Stage, performed September 22nd-27th 2018.

The second live concert in the Ensemble Stars! stage series; it ran from March 25th-26th 2023 in Yokohama.

Covers "MANKAI STAGE "A3!" stage play held on September 28, 2019 in Tokyo. Bonus disc contains visual making-of, behind-the-scenes and rehearsal diary. Comes with a full length music video of Team Summer.

Two-disc Blu-ray of "A3!" -Spring 2019-" featuring footage of group Spring's solo stage, rehearsals, behind-the-scenes, and events.

Hit stage play "MANKAI STAGE "A3!" first live performance, "MANKAI STAGE "A3!" Four Seasons LIVE 2020" performed at Sep. 20, 2020. Bonus disc comes with behind-the-scenes and MANKAI CAM.

DVD release of first stage play adaptation of handsome-actor-training-game "A3!". Disc 1: Final stage in Tokyo (Nov. 4, 2018). Disc 2: Bonus footage.