Fan & Star, a site that delivers idol ranking information, opened a surprise project for singer Kim Woo-Seok on September 3rd. It is a global fan event in which advertisements celebrating his birthday are posted in various places.

Kim Woo-seok's birthday support is carried out in cooperation with domestic and foreign fans and 'Fan N Star.' Success is determined by the number of rainbow stars (points that can be collected on the site) collected in the project.

Participation in the event can be made in the ADs. The section on the Fan & Star website. It is a method of donating stars that fans have collected hard to advertise. Stars will be obtained by doing various activities on the site or completing various missions.