< English Book > Tower; A tower with levels that is filled with monsters that will wreak havoc if it is not cleared by a certain time frame. Dungeon; a tower level. Ranker; a human with the ability to clear the tower. what if a tower is simply a bridge that connects two worlds in hopes to create balance in its own right? Eden Rose, An assassin class ranker with the sub-class of an alchemist is known to be the highest paying ranker on earth due to efficiency in clearing a tower dungeon. People often pondered how does a women so small clear the dungeon efficiently. Unknown to them, Eden's only wish was to climb the tower where it intersects with His world. < The Gardener of the Garden of Eden > a person essential to unlocking her memories. that's right, the infamous ranker has no memories of her past. "Come soon Eden, The roses will soon bloom" whisper the gardener in her sleep. Jolting up awake, Eden realizes she is in a hospital with no memory of a her past except her name and age. "I am only guarding my garden of Edens, until the flower returns to me"