Michio must raise the required funds within five days in order to purchase Roxanne from Alan's mansion. Like everyone else, Michio hunts monsters in the labyrinth and gathers items. However, even with Michio's skills, he won't make enough money in time. An anxious Michio recalls Alan telling him about a way to earn a large amount of money in a short period of time.
or they lost a dispute 
with a rival organization.
Jedenfalls kennt niemand
den genauen Grund.
Nadie lo sabe con exactitud.
Nadie lo sabe con exactitud.
Personne ne sait vraiment.
o se l'hanno fatto perché hanno perso
una disputa con dei rivali.
ou porque perderam uma disputa
com uma organização rival.
В общем, чёрт их знает почему.