The YSS Youkai, NS-X2-021 was a Nozomi-class Scout built at Chiharu no Iori by Ketsurui Fleet Yards in YE 32 for the Star Army of Yamatai's Second Expeditionary Fleet. She was commanded by Iwai Kaoru - Taii. She was destroyed in an uncharted system designated “Briar Patch” in YE 32.