2PM�held their Japanese fan meeting with 40,000 HOTTEST!

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'New Year's Party 2015 'OLD BOY vs YOUNG BOY'�was held at Saitama Super Arena, Japan on January 3-4 with 40,000 HOTTEST. 2PM split up into the OLD BOY (Jun.K, Nichkhun, and Taecyeon) and YOUNG BOY (Wooyoung, Junho, and Chansung) team. The audience was also seated separately by which team they were rooting for.

The members performed each other's songs for their solo stages with Junho performing Chansung's "Perfume", Chansung performing Junho's "SAY YES", Nichkhun performing Wooyoung's "Give Up", Wooyoung performing Nichkhun's "Let It Rain", Taecyeon performing Jun.K's "NO LOVE", and Jun.K performing Taecyeon's "I LOVE U, U LOVE ME".

They also performed their upcoming Japanese single "Guilty Love", which will be released on the 28th, for the first time and their track "365".�