Maaya Sakamoto brings a single including theme song each for anime "Hikari no O (The Firecatcher Lord)", for which Mamoru Oshii is writing and composing the series of all TV anime episodes for the first time and "REVENGER", for which Gen Urobuchi (Nitro Plus) has worked on a TV anime story and series composition. Limited edition includes a bonus CD with 11 songs from the "Maaya Sakamoto LIVE 2022 'un_mute'" live performance held on November 26 & 27 at Tokyo International Forum Hall A.