in 2020, following active participations of many karatekas from Philippine Karate League (PKL) in an international E-kata championship organised by Chikubukai Europe, the head of both organisations, Kyoshi Johan Backteman from Chikubukai Europe, and Shihan Dennis Aquino from PKL signed an agreement for further developments and collaborations as sister organisations purposely by collaboration of events and activities, technical and cultural exchanges .