Crunchyroll Dubs has uploaded an English dub clip from Episode 7 of Shinobi no Ittoki where... Should they be worried he's only in high school?
Watch Shinobi no Ittoki on Crunchyroll: https://www.crunchyroll.com/series/G5PHNM7KG/
Watch Shinobi no Ittoki on Crunchyroll: https://www.crunchyroll.com/series/G5PHNM7KG/