Shiba, Lina, and Eini didn't expect Ravier to purpose something like that, but it was a fact that none of them hated it.
They all were quite bored from being inside Ravier's inner world. Shiba hadn't been conscious of the pass of time, so his urge wasn't so bad, but Lina and Eini spent over ten thousand years there. Although they sometimes went out for a short time, they still spent most of the time in the inner world, and they were really tired of it.
Of course, the fact that Shiba was still on his tribulation without waking up was the main reason they remained there. Otherwise, they would have looked for a reason to leave long ago.
"We will be glad to accept this quest!"
The three of them spoke simultaneously. That was just a formality to accept the quest, and even Shiba had enough knowledge about that.