Masaki Naito is a fourth-year undergraduate student at the Yamazaki Lab, Department of Aerospace Engineering, College of Science and Technology, Nihon University, Japan. Sub-project manager of PRELUDE, a W6U-sized nanosatellite. Currently in charge of system integration and software development of the on-board computer. Masaki is researching for the CubeSat software modeling and optimization by using MBSE including Capella as graduation research.