On 27 January 2020, Colopl revealed that Takanori Nishikawa and Asca would perform "Tenbin (Libra)" (天秤-Libra-, Balance -LIBRA-) as opening theme song for the opening theme song for the anime White Cat Project: Zero Chronicle.[2] The song was released as a single on 27 May 2020 on three edition; Regular edition, Limited edition and Limited anime edition.[3] The single reached number 7 on Oricon, 45 on Japan Hot 100, and 11 on Japan Hot Animation.
The music video for "Tenbin (Libra)" was directed by A.T.[4] The video features Takanori Nishikawa and ASCA singing with black and white effect. Sometimes scene show Takanori Nishikawa doing backflip and super jump with black effect. Also, some scene show that Takanori Nishikawa hold fire with red effect, while ASCA hold fire with blue effect.
