A research team, led by Tokyo Institute of Technology (Tokyo Tech), developed a 50 kg class technology demonstration microsatellite called HIBARI that denotes "skylark" in English. HIBARI was selected as a demonstration theme for Japan Aerospace Exploration Agency (JAXA)'s Innovative Satellite Technology Demonstration (ISTD)-2, and it will be launched on Epsilon-5 sometime after November 2021 from the Uchinoura Space Center.