Succubus Runa and the Erotic Dungeon

【Story】------------------------------------------While heading home, the protagonist, Runa, is caught in sudden rain anddecides to take a bath and go to bed, but finds herself in a strange space.When she exits the space, she is suggested to become a "magic soldier" by an old manand young assistant. With no choice, she is forced to fight monsters she had never seen before.??Damage can't be done by …