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.
Just because you're kids,
don't think we'll go easy on you!
وإيّاكم أن تظنّوا أنّنا 
!سنتساهل معكم فقط لأنّكم أطفال
Glaub nicht, dass ich bei Kindern
die Samthandschuhe anziehe!
No creas que tendrás privilegios
por ser un niño.
No creas que tendrás privilegios
por ser un niño.
Non credere che ti tratterò con riguardo 
solo perché sei un ragazzino!
Só porque são crianças,
não pensem que pegarei leve!
Не думай, что я буду добрее к детям.