Monotone Eden RR

A slightly displaced future from the present.

The entire world is afflicted by a disease called despair, and everyone has lost sight of the future...
In such a time, a mysterious life form known as the "Illusion Species" suddenly appears.
This unexpected encounter seems as though it might heal humanity from its despair.

The protagonist, "I," is a leading researcher in the study of the "Illusion Species." The story begins as "I" attempts an experiment to summon them, aiming to uncover the ecology of the "Illusion Species."