Kohaku has located the treasure left behind by Byakuya and the others, but it's encased in concrete. Senku has to devise a plan to quietly get at the contents inside, so as to not alert the guards.
I'm embarrassed to ask this, but...
...يحرجني طلب هذا، لكن
Das ist mir etwas unangenehm,
Me da vergüenza pedírselo,
Me da vergüenza pedíroslo,
J’ai un peu honte de le dire…
Mi vergogno un po' a chiedervelo,
Tenho vergonha de perguntar...
Мне немного неловко…