Fan & Star has opened a birthday ad event for group Mamamoo's Hwa Sa.

Idol fandom's playground "Fan & Star" held a surprise event for Hwa Sa on the 26th. It is a large advertising project to celebrate his birthday on the 23rd of next month.

Hwasa's birthday project will be carried out in cooperation with "Fan & Star" and "MAMAMOO" fan club name. The success will be confirmed by the number of rainbow stars (points that can be collected on the site) donated by fans.

Participating in the event is available at the "ADs" section on the Fan & Star website. It is a way of donating the stars that fans have collected diligently to advertising products they want. Stars can be obtained through various activities on the site.

Earlier, "Fan & Star" opened Hwasa's birthday project on June 28 last year. With the enthusiastic support of the fans, 201,040 stars gathered. For a week from July 23 to 29 of the same year, celebratory videos were shown on the CM board at Hapjeong Station in Seoul, SM board at Gangnam Station and 43 waiting rooms at Line 2.

Attention is focusing on whether Hwasa will be able to receive surprise birthday gifts from fans this year as well as last year.

The event will run until July 12.