One of the tracks from the KAITO only compilation "AO". It has reached the Nico Hall of Fame. As mentioned in its description, the song is sung by 25 different variations of KAITO, each divided into groups of harmony, main, chorus, etc. It was mentioned by Yuukiss how several parts of the lyrics quotes Yuukiss' previous song "Fairy-taled" sung by MEIKO. Like Fairy-taled, it also has the melody of "Nostalogic" halfway from the song.