With the popularity of other electric bands such as , , The Blue Comets, and The Jaguars, who had already debuted their albums, the song blockbuster was one of the catalysts for the GS boom. Takano's singing voice grabbed the hearts of the fans and the group had release another hit single "Let's Love Jenny", released in September 1967. In addition, Usui, who was in charge of Japanese translation from the recommendation of Rumiko Hoshika, sings energeticly in "You Are Crazy About You" on side B. The groups's third single released in October is "Okay!", which is a cover song of , and Paul Anka's hit song "Crazy Love" on the B side. By using the fuzz audio, it is finished in an arrangement like The Carnabeats did so. The band produced many rock-like sound with Kitamura and all the members feeling close to Western rock'n roll music. 