Singer Bolbbalgan4 received an unforgettable gift from fans to mark the 6th anniversary of their debut.

Fan N Star released a photo of the 6th-anniversary event of Bolbbalgan4, which is being advertised on the CM board of Hapjeong Station in Mapo-gu, Seoul on April 22nd. Fans of Bolbbalgan4 achieved Fan N Star's "Electronic Display Advertising," which opened on February 11th.

The advertisement will be screened at the CM board of Hapjeong Station in Mapo-gu, Seoul from April 18th to the 24th.

Photo = Fan N Star