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|Japanese Name:||星加 正|
|English Name:||Tadashi Hoshika|
|First Appearance:||Episode 02 / Chapter 03|
|Japanese VA:||Sho Ryuzanji|
Hoshika Tadashi is an employee at JAXA who initially wanted to become an astronaut but wasn't lucky enough. He inspired Mutta and Hibito when they were young and was a part of the JAXA team who conducted the series of astronaut recruitment tests. Hoshika personally informed Nanba Mutta about his result after the last test in the program.