On January 16, 2008, recently, one of the IDOLING members, Saya Kato, released her first photobook "1GO! 1YEAY!!! ~Ichi-go Ichi-e~". To promote the new work, on January 12, Saya Kato also held a release commemorative event for the photobook. As the first member of IDOLING, Saya Kato is the most popular among all the members. She participated in the event. Saya Kato's sexy lingerie photoshoot...433x600 148kjp....