A girl from Idolmaster Shiny Colors, a mysterious solo idol who is not part of 283 Production but rather sees them as her opponent. Considered a god by her fans. Despite her initial hostility, Luca eventually relents and joins 283 Production, initially as a solo idol, before forming CoMETIK with newcomers Suzuki Hana and Ikuta Haruki.
It is revealed that she is the daughter of the legendary former idol Yakumo Nami.