Imperial Dungeon Caretaker(EN Version)

After return from adventuring deadly another world, Dante and Vergil immediately summon by Emperor Shiroi for attending special matter

what they found is a dark wizard and his 5 apprentice attempting made a dungeon and asking directly to Emperor permit, Emperor Shiori him self want developing the place on dungeon surrounding dungeon cave it self. The Dark wizard him self have very massive resource can be use

Lack of natural dungeon and also the goal of the both Emperor and Dark Wizard on same path, Emperor pick 4 people from Imperial Family to help the eldest apprentice to take care the dungen and made it the best dungeon ever

can Dante and Vergil do this task?