After a few years after Girls2 legendary live "Tsunagu Tsunagu" at the Girls Arena, the challenge of girls aiming for the top begins again. To enter St. Girls Square Academy, there is a training studio called "GaruSt" where many girls go. At one of the GaruSt's, 6 girls gather at the Harajuku Takeshita Street studio. Their name is "Lucky2". It's a story of growth, brilliance…