Pink Blossom is the fourth EP by South Korean girl group Apink, released on March 31, 2014. Group leader, Chorong, wrote two songs for the album. The music video for title track "Mr. Chu", composed by Duble Sidekick, was released on March 31 along with the album. The song peaked at number 2 on Billboard's K-Pop Hot 100. Apink won six music show trophies for "Mr. Chu" and the song was the eighth best selling digital song in 2014, according to Gaon's year-end chart. They released the music video for "Crystal" on June 14. Pink Blossom was the second best selling album of the week of its release on the Gaon Weekly chart and charted at #31 on the 2014 Gaon Annual Album chart with 66,139 copies sold, becoming the fourth best selling girl group album of the year.

Apink is a South Korean girl group formed by IST Entertainment. Managed by Choi Creative Lab as of, April 2024. The group debuted on April 19, 2011, with the extended play (EP) Seven Springs of Apink. Apink currently consists of five members: Park Cho-rong, Yoon Bo-mi, Jeong Eun-ji, Kim Nam-joo, and Oh Ha-young. Originally a seven-member group, Hong Yoo-kyung left in 2013 and Son Na-eun left in 2022.