“Starlight Moonlight” is a sweet, retro-inspired song with influences of traditional Korean folk music.

By the end of June, "Starlight Moonlight" was the number one song on Gaon's Monthly Single Chart.

The song also peaked at number one on various online music charts such as Dosirak, Bugs and Melon.

According to Gaon Chart, "Starlight Moonlight" has sold over 3 million digital downloads in South Korea as of December 31, 2011, making it one of Secret's biggest singles.

[2] The same day, TS Entertainment released the fantasy-like comeback photos for "Starlight Moonlight" with a different theme from the retro-inspired video teaser.

Secret also performed the song on many Hallyu Dream Concerts and on various international television appearances.

In South Korea, "Starlight Moonlight" entered the Gaon Single Chart at number 10 during the week of June 4, 2011.

Directed by Johnny Bro's Hong Wonki, the music video was released on June 1, 2011.

Additionally, labelmate Yongguk from B.A.P made an appearance as the ticket-seller in the hot-air balloon station.