Love & Letter

Love & Letter includes 10 tracks and focuses on themes such as the experience of a first love.^[1][3] The group's members largely created the album, writing or co-writing every track, and composing or co-composing almost every track.^[2] "Pretty U" was chosen to be the title track of the album^[2] and was performed on multiple music shows by the group throughout the following two and a half months. During this period, the group earned their first two consecutive wins on Show Champion. Their first win was on May 4, 2016, followed by a second win on May 11, 2016.

The album charted at number three on Billboard's World Albums chart and at number five on the Heatseekers Albums chart.^[2] The album's promotional single "Pretty U" charted at number three on the World Digital Songs chart, which marked their highest ranking on the chart to date.^[2]

On June 24, 2016, Seventeen performed at KCON in New York. Commenting on the group's first American appearance, Monique Menendez of Billboard K-Town wrote, "Seventeen bring the sugar with its latest single, 'Pretty U', a bright love song with choreography reminiscent of West Side Story."^[5]

On July 4, 2016, a repackaged edition of Love & Letter, titled Love & Letter Repackage Album, was released with five new tracks, including the title track "Very Nice".^[6][7][8] The accompanying music video for the song was released on Naver V App on the same day and received over a million "hearts".^[9]