Boy group HIGH4 held a guerilla concert at a shopping mall in Seoul on June 21 and surprised their fans.

Titled "Date Concert," HIGH4's guerilla concert was aired live through AfreecaTV and over 20,000 fans watched the concert. Song Haye from K-pop Star 2 also appeared as a guest and sang "Not Spring, Love, or Cherry Blossoms" in front of 400 fans.

HIGH4 made a comeback with "Baby Boy" on June 4.

The group had also planned to hold their solo concert titled HIGH4, K much en Concierto in Mexico City, but they delayed their concert to this fall due to the recent MERS outbreak in Korea.