On June 24, he posted on his twitter, "Thank you to the guys and all the staff members for the birthday cake!! You guys made it memorable! Love you all!" along with the following photo.
In the revealed photo, Nichkhun is smiling like a child in front of a cake with a character of himself drawn on it. Next to him, other 2PM members are smiling brightly.
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Internet users commented, "Happy Birthday Nichkhun~", "2PM is so heart warming to see" and " You guys look happy."