It's a party and they're ALL invited! Characters from Re:ZERO -Starting Life in Another World- , KONOSUBA , Overlord , The Rising of the Shield Hero , Saga of Tanya the Evil and new addition The Eminence in Shadow are pulling out all the stops in a brand-new trailer and visual released today for Isekai Quartet 3 , which is now slated to begin airing on October 13 at 22:30 JST . It was also revealed that Satoshi Hino (Ainz), Jun Fukushima (Kazuma), Yusuke Kobyashi (Subaru) and Aoi Yuki (Tanya) will perform "Isekai Concerto" as their characters for the opening song, while Konomi Suzuki and Kashitaro Ito will perform "Kimi Iro, Boku Iro" for the ending song. Isekai Quartet 3 Main Trailer Isekai Quartet 3 Main Visual RELATED: Isekai Quartet 3 Anime Reveals Teaser Trailer Minoru Ashina ( Snack Basue ) returns to direct and write the scripts for Isekai Quartet 3 at Studio PuYUKAI, with character designs by Minoru Takehara ( Nights with a Cat ) and music by Ruka Kawada ( Saint Cecilia and Pastor Lawrence ). Crunchyroll streams the first two seasons and "Another World" movie , and describes the story: The button appeared out of nowhere. There weren’t any signs NOT to push it…so the solution is obvious, right? Is it a trap or the start of something new and exciting? The crews of Re:Zero, Overlord, Konosuba, and The Saga of Tanya the Evil will find out when they go from their world to another and get stuck in…class?! See what adorable chaos they’ll get up to in this collection of shorts! Source: Press Release