Uni-Posca Paint Marker Pen - Medium Point - Set of 15 (PC-5M15C) https://www.amazon.com/dp/B001ANVDMU/ref=cm_sw_r_cp_api_i_8fsdFbN348ZVM
is should be this one
ah, yeah dont order it from japan. This is a set of 12 that are shipping out of hte us: https://www.amazon.com/Uni-posca-Paint-Marker-Pen-PC-5M15C/dp/B001ANVDMU/ref=sr_1_5?rps=1&ie=UTF8&qid=1505092732&sr=8-5&keywords=uni+posca&refinements=p_85%3A2470955011