Hozuki Castle is a prison run by the Hidden Grass, well known for being notoriously difficult to escape from. Boruto and Mitsuki are sent there to protect Kokuri, a former member of a brutal band of robbers known as the Mujina Gang who's now targeted by assassins after betraying and deserting the gang.
No wonder there's nothing
out there about the boss.
لا عجب أنّه لا توجد أيّ معلومات عن زعيمهم
Das wird der Grund sein, weshalb keine Infos
über den Boss nach außen gelangen.
Por eso no se filtra
información del jefe.
Por eso no se filtra
información del jefe.
Ci credo che fuori non arriva 
nessuna informazione sul boss...
Por isso não sabemos nada sobre o chefe.
Неудивительно,
что на главного ничего нет…