A young man who was forced to work for a collector because he owed a huge sum of money met the collector, but he never met the financial owner. He only received work instructions from the mysterious society Pansy Society to collect biological collections scattered around the world. During a mission to recover the "Rat King's Magic Flute", a huge shadow with the letter "D" as its core quietly surfaced. Auctions, black markets, industry competition, furious notes, bizarre car accidents, multiple forces are secretly wrestling around the magic box "Sea Box" made by legendary craftsmen, and what role will the ordinary social animals in the vortex play in the middle? Is he an observer, a wage earner, or a sacrifice? The world is like a huge aquarium, and in each tank is another world.
Concept: The world is like a huge aquarium, and there is another world in each water tank.