Gfriend于7月23日回归，发布第二张迷你专辑《Flower Bud》。专辑共收录6首歌曲。
主打曲《 今天开始我们》(Me Gustas Tu)是一首包含少女害羞告白的欢快舞曲，“Me Gustas Tu”则为西班牙语“喜欢你”的意思。
Girlfriend 2nd Mini Album [FLOWER BUD]
Girl group representing the next generation of women friends, a comeback!
Confessions of a shy girl, from today we ?

January 2015 debut song "glass beads" presented the Next Generation of popular girl group, taking place in a certain nundojang to friends released a second mini-album [FLOWER BUD], and comeback. Album title that contains a means to expect future growth [FLOWER BUD] hope is full of words that will not born yet the bud peer garage young people are the future expectations, non-state for the first time of what the future is expected It says up to ruins. Girlfriend is going to bring a girlfriend distinctive brio and youthful loveliness upgraded to more music 2015 summer excitement to the public once again with this album.

2nd Mini Album [FLOWER BUD] is clear and pure emotion is felt in the album intro song 'Flower Bud' a woman who exert advantage of the healthy attractiveness of friends, lyrical melodies and dynamic "Starting today, we, the title song to the beginning of the play, you can order a song that oemyeo expectations and hopes for the future and soft pop dance song 'under the sun', a medium tempo song to sing the hearts of first love and the desire for eternity 'ONE', a woman called from a friend who inspired team name friends, and even sang a heart for the fans 'mind', and finally you can enjoy the rich sound of the title song 'From today we' inst. Etc. This version contained, women are raising the expectations for the next album line of music and colorful charm of a friend.