[1] On 31 August, label mate JeA, leader of Brown Eyed Girls, tweeted a photo of her and the three Lunafly members on her official Twitter account.

[2][3] Following the news, on 6 September, Lunafly released their debut album on iTunes worldwide, called Super Hero.

It was said that Nega Network invested 150 million won (~US$134,078) on their outfits, accessories, hair and makeup styling for the music video, which is considered a lot for a rookie group.

[6][7] On 28 September, Lunafly released the music video for the English version of their song "Super Hero".

On 1 December, the group made their appearance at Tokyo's FM Hall in Japan, where they successfully concluded their first overseas solo live.

Before proceeding with their performances, Lunafly expressed, "We’re very thankful for being able to hold a solo live concert in Japan just two months after our debut and we’re also very nervous.

A contest to decide the fandom name was held from 27 February to 5 March, with the winner being awarded an autographed CD.

The upbeat song expresses the desire to break out from a mundane relationship and go on vacations around the world as a couple.

Keeping international fans in mind, the two part album also featured an English version of every Korean track.

[16] Lunafly went on a sold out Latin America tour visiting Mexico, Guatemala, Peru, Brazil, and Costa Rica.