Heo Young-saeng, a member of the group SS501, responded to his love for fans.

On the 14th, Heo Young-saeng said on his SNS, "Congratulations on the belated! Thank you, Selfie!" and posted two photos.

In the photo released, Heo Young-saeng poses in front of an electronic display celebrating the 15th anniversary of SS501's debut. The billboard says, 'Thank you for the 15 years we've been together! Whatever happens, we'll always be with SS501! Let's walk on the flower path together for a long time,' it says.

The advertisement was carried out in collaboration with Fan & Star and SS501's global fandom. Heo Yeong-saeng thanked his fans by not only going to see the electronic display but also leaving a photo of him.

Meanwhile, SS501 celebrated its 15th anniversary on the 8th. In response, fans screened congratulatory videos on digital information maps of Gundae Station Line 2 in Gwangjin-gu, Seoul from the 8th to the 14th, on waiting rooms at 42 stations on Seoul Subway Line 2, on Shinjuku Shinokubo Electric Display in Japan, SM board at Gangnam Station in Gangnam-gu, Seoul, CM board at Hapjeong Station in Mapo-gu, Seoul, and CM board at Gangnam-gu District Office Station in Gangnam-gu, Seoul. The electronic display is available on 'Fan & Star' YouTube.