It is equipped with three CubeSat release devices (E-SSOD: Epsilon Small Satellite Orbital Deployer) that can mount up to three 1U CubeSats, and releases four CubeSats in outer space. (ARICA and KOSEN-1 are stored in one E-SSOD.)
JAXA: Successful launch of Epsilon No. 5: Equipped with 9 satellites
JAXA:
On November 9, the small rocket “Epsilon” No. 5 was launched from the Uchinoura Space Center.
Equipped with 9 small satellites.
All satellites were separated and the launch was successful.
This is the fifth consecutive success since the first machine in 2013.
Nihon Keizai Shimbun
https://www.nikkei.com/article/DGXZQOUC00029_Q1A930C2000000/
Innovative satellite technology demonstration No. 2 Demonstration theme introduction (microsatellite edition) | Fan! Fan! JAXA!
https://fanfun.jaxa.jp/topics/detail/19220.html
Innovative Satellite Technology Demonstration Unit 2 Demonstration Theme Introduction (CubeSat Edition) | Fan! Fan! JAXA!
https://fanfun.jaxa.jp/topics/detail/19227.html
Innovative Satellite Technology Demonstration Unit 2 Demonstration Theme Introduction (Parts / Components) | Fan! Fan! JAXA!