近衛兵

このえへい

noun

•

Imperial Guard (Meiji), personal guard

近	near, early, akin, tantamount
衛	defense, protection
兵	soldier, private, troops, army, warfare, strategy, tactics

しろ

、

このえへい

ひき

ひと

、

ろうごく

こういん

However, when I finally reached the castle I was thrown into this prison by the commander of the imperial guard