Millie is a rather funny Adventurer girl who is not averse to going on some kind of task, in a dungeon or somewhere else, in order to earn extra money, because her gun skills are very specific ... however, she has one weakness, namely everything she earned. well, more precisely, most of what she earns, she spends to celebrate the victory .. with the help of booze, and therefore it is not uncommon to see her in a tipsy state