A group of four yokai each holds a role. The fighter, attacking the enemy with endless attacks. The ranger, who creates diversions and traps for the enemies so the fighter can have an opening to attack. Tanks takes all the damage for the team, so the other members can focus on their roles and fear no damage. The Healer, the name says it all, the healer heals the team of all damage, though most the Tank and fighters most times. For Maiden who is a healer most of the time, she is a fighter and leader of her team. Dr.Nocture is the Ranger of the team, setting bombs and traps for the enemies. He takes advantage of the knowledge in the ruins to make new chemicals and formulas. Untidy is the Tank, taking all the damage for the team. He has great defense and it benefits on raids. Though sometimes he is too reckless which causes him to faint a lot. The Healer is Alpina, she heals when her teammates are in trouble. In return, the team gives her a larger percent of the treasure for all her hard work. Now they raid, explore and get stronger as more than teammates, as friends. Together they are "Team Clean Sweepers". Only problem is that Salmon and her parents want her to quit. Help her and her team, so they don't lose their leader and not to look for a new fighter.