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ABOUT PRODUCER
OPA is a Vocaloid producer that has received the "Legendary MEIKO Master" title on Nico Nico Douga, after his first MEIKO work "Boukyaku Shinjuu." He coproduces MEIKO songs together with Asaki No'9, who writes the lyrics, and their production team is called "0-9" (it is said OPA started working with Asaki No'9 after falling in love with Asaki No'9's poem "Boukyaku Shinjuu," which he decided he wanted to set to music).