Shin's summons to the castle doesn't go exactly as he thought it would when the princess challenges him to a duel. Then when the aftermath of their fight goes horribly awry, it's up to Schnee to investigate. 
Apparently one of those is behind it.
.ويبدو أنّ أحدها خلف ذلك
Wie es scheint,
steckt einer von jenen dahinter.
Uno de ellos está detrás de todo.
Uno de ellos está detrás de todo.
Il doit y en avoir un
derrière tout ça.
A quanto pare c'è dietro uno di loro.
E pelo que vejo,
um deles está por trás disso.
Похоже, за этим стоит кто-то из них.