V's fans painting the entire city of Busan purple

It is said that BTS V's fans are coloring Busan purple.
Even bus and subway advertisements supporting the cause have appeared.
V's Korean fanbase V Inside and Kim Taehyung Supporters

To commemorate BTS's 13th debut anniversary and the holding of the Busan concert, from May 13th

We are running a celebratory advertisement at the bus shelter in front of the Busan Asiad Main Stadium for one month.

I heard that an LED truck featuring a celebratory video will also be in operation.