KissBee Youth is a unit comprised of KissBee trainees. Prior to late 2016, trainees did activity under the already disbanded unit KissBee ZERO. KissBee Youth may perform with KissBee members as substitute member. KissBee Youth is led by NANASE Rio.
ΠLON (pilon, read as pai-ron, written in Greek capital “Pi”) is a unit comprised of KissBee 6.5th Generation. ΠLON debuted during June 24th 2018’s KissMark and still considered as part of KissBee group even without KissBee on its name.