It was in this unit that Koyama started out as an announcer for shows such as the Ya-Ya-yah Show, and this has carried through to NEWS, which he joined in September 2003.
Dalam grup ini lah Koyama mulai menjadi penyiar untuk acara-acara seperti Ya-Ya-Yah Show, dan hal itu terus berlanjut hingga ia debut sebagai NEWS pada bulan September 2003.