UniChOrd and Abyssmare bring a special split CD together! UniChOrd's title track "Tokyo Otaku Date" is based on the theme of an otaku date in Tokyo. UniChOrd's B-side track, "Kogetsu", is a song that was created in the story of the smartphone rhythm game "D4DJ Groovy Mix." Abyssmare's title track "AXIS the world" is a magnificent song filled with everything the girls care about "being the top in the world." Abyssmare's B-side song "Bailalabai" is produced for the story "st(r)ay with you" in the smartphone rhythm game "D4DJ Groovy Mix." Comes with a Blu-ray including the daytime performance of "UniChOrd x Abyssmare 2nd LIVE -Star Encounter-" held at Toyosu PIT on September 2, 2023, and UniChOrd's "Maware! Setsugetsuka" and Abyssmare's "Dairokkan" performed at the nighttime performances.