追想のオルゴール (Tsuisou no Orugooru)

Background
Kiril Clockworker (Kiyoteru) is a renowed musicbox maker, he lives a happy lofe with his fiance, Elluka Chirclatia (Luka) and sister, Irina (Iroha). He puts his soul into making a jewlery box for them, which plays a love song for Elluka.

Soon candidates for Project "Ma" are chosen, amongst them are Irina and Elluka and the two of them turn against eachother, Kiril witnesses their fallout and wishes magic didn't exist so things could go back to the way they were. Shortly after Elluka is killed by Irina, the Levianta Fire Disaster strikes and the country perishes, however Kiril stands as a lone surviour, living a full life in the ruins of what was once a great country.

The song was first released on Judgment of Corruption ~a court of greed~. Then later on EVILS COURT and Original Sin Story -Complete Edition-. An arrenged version subtitled "Clockworker" was released on Original SIn Story -Act 2-

Lyrics
Original = Clockworker ver=