As an elixir of life was created for selfish intentions and cruelty, Cartestria - a community of detectives, spies, and other various agents who serve their life for the greater good of humanity - prioritize to destroy this elixir. Nevertheless, in this kind of mission, sacrifices are inevitable. The top group of the Junior Cartestrians, being led by Giverro Dawn Hoxley, is bound to front line this mission and is about to lose a very valuable member. And the struggle does not end there. In the middle of the search for their this member, they are to encounter a lady linked to this case who will leave them investigating who she is. However, Alyvrain Ace, a new student in Cartestria Justice Academia, is a girl to the rescue in the times of need. Like a typical story, will Hoxley and Ace fall for each other? Or it would just be another tragic story for them all?

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