Arekuko is a male researcher at the so‑called “Sand Rabbit Research Institute,” commonly nicknamed “Rabi Lab,” who is obsessively devoted to studying Sand Rabbits and believes they have built an advanced underground civilization.
Arekuko is a male character defined by an extreme, almost fanatical passion for Sand Rabbits.
He treats them not merely as animals but as the key to uncovering a hidden world beneath the surface.
He is affiliated with the Sand Rabbit Research Institute, which specializes in the study of Sand Rabbits.
Within this institute, he is known as one of the most enthusiastic and eccentric researchers.
Arekuko firmly believes that Sand Rabbits have constructed a highly advanced civilization deep underground.
To him, they are intelligent beings with secret technologies and complex societies, not simple creatures.
This belief is not casual speculation but a conviction that shapes his daily life and research.
He is willing to defend this idea passionately, even when others dismiss it as absurd or delusional.
His curiosity is intense and often single‑minded.
Once he focuses on a hypothesis about Sand Rabbits, he pursues it with relentless energy.
Arekuko is ready to go anywhere in the world if it might bring him closer to the truth about Sand Rabbits.
Deserts, remote underground ruins, or hazardous field sites are all acceptable destinations to him.
He conducts field investigations, tracks Sand Rabbit movements, and searches for traces of underground structures.
Any rumor, legend, or minor clue related to Sand Rabbits is enough to send him on a new expedition.
The nickname “Rabi Lab” reflects both the institute’s specialization and the slightly offbeat image it has gained because of people like him.
Within this environment, Arekuko thrives as a researcher who operates on the boundary between science and obsession.
For Arekuko, Sand Rabbits are simultaneously sacred research subjects and objects of fascination.
He speaks about them with a mix of scientific interest and almost childlike wonder.
However, his attitude is not purely reverent.
He occasionally makes offhand remarks that show a surprisingly casual view of his subjects.
One infamous example is his suggestion that Sand Rabbits could be cooked and eaten as “butter sauté.”
This idea startles colleagues, because it treats the very creatures he idealizes as potential ingredients.
This contrast illustrates how his investigative passion sometimes twists into simple appetite.
In those moments, he seems to forget the glorious underground civilization he ascribes to them and views them as food.
Arekuko stands out as a character whose obsession is both humorous and slightly unhinged.
His belief in an underground Sand Rabbit civilization gives him a distinctive, memorable flavor among researchers.
The tension between his lofty theories and his occasional desire to eat his own research subjects creates comedic irony.
It makes him feel human and flawed rather than purely academic or noble.
His willingness to travel “anywhere” for research suggests a high tolerance for danger and discomfort.
It also hints that, given the slightest lead, he might vanish into the sands for days in search of a hidden Sand Rabbit metropolis.
Overall, Arekuko is portrayed as a passionate, eccentric male researcher whose life revolves around Sand Rabbits.
His mix of dedication, odd beliefs, and unexpectedly practical appetite makes him a lively and entertaining figure.
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