Kimyo deH na Netorare Danjon Aisuru Yusha o Sukuidase!!

Challenge the "strange dungeon"! Rescue your beloved hero!
The hero has been kidnapped by Succubus!
The three lovers who try to get him back are confronted by a strange cuckold dungeon created by Succubus!

Every time they enter the dungeon, their level increases to 1!
Even the placement of treasure chests changes randomly!

Will the girls be able to conquer the dungeon and rescue their beloved hero?