Fan N Star, a site that delivers idol ranking information, conduct a special event for Beomgyu that started on January 28th. This is a large advertising project to celebrate his birthday on March 13th.

Beomgyu birthday donates fans' projects determines success in number (that can gather from the site points) of the rainbow. The stars are posted ads in multiple places are going to attract a lot of the celebration.

When 20,000 stars are gathered, a congratulatory video is shown on the CM board (square pole) at Hapjeong Station in the Seoul Subway. When it reaches 55,000 stars, a congratulatory video will also appear on the electronic board of Shinjuku Shin-Okubo, Tokyo, Japan. In addition, abundant gifts such as Jamsil's large digital signage, Hongdae M screen, and Seoul bus advertisement are waiting for fans.