Labyrinth's challenge in one party student four people, but in fact it is so can hire adventure who registered to adventurers guild added if up to two people. Although it is time to prepare, and to be seen in front of the active duty of prowess on safe, even there is no problem to clear with the adventurer. This observation eye chose excellent adventurers also because included in the target of the clear. There is of course also luck, but it is also ambiguous part of ...... in it.