Jay Park's fans have always been known to donate generously to various charities, and this time the 'Korean JayWalkers' did their share for child leukemia patients. On the 1st,�the Leukemia Association of Korea website posted an official message regarding the Korean Jaywalkers' donations. Attached to the message were pictures of rice cakes, Dunkin Donuts, and 514 blood donor registration cards that they sent in. The message stated,

"The rice cakes and official donor registration cards have arrived to our office. Like before, Park Jaebum's fanclub have done a good deed under the celebrity's name, and displayed a gracious side of the club.The J-Effect (JayWalkers) collected 514 blood donor registration cards, as well as a great box of delicious rice cakes. We hope that in the future, the good deeds of the J-Effect could soon be a good role model for many other fan clubs. Once again, we thank you for your interest and love for children with leukemia."

During Park Jaebum's fan-meet at Korea University on August 28th�and 29th, the Korean JayWalkers held various events aimed at garnering donations for charities such as the Disabled Sport Association, Good Neighbours, Korean Leukemia Association, and the Sports Council of the Disabled.