Yukiya must find the way out of the tunnels with Wakamiya, which turns out to be more difficult than expected. However, he finally learns the truth about Yamauchi - and the world beyond its borders.
Someone may have given them tips.
.ربما منحهم شخص ما بعض النصائح
Tal vez fuera por sugerencia de alguien.
Puede que sigan
las directrices de alguien.
Quelqu’un le leur aura
peut-être conseillé.
Un suggerimento dato da qualcuno, forse.
Alguém pode ter dado dicas a eles.
Думаю, кто-то даёт им советы.