Nyku Eisen from Blue Island gets on the aircraft en route to Lasa Island, the site of the entrance exams for Flow Academy, a mage school. Right when Nyku settles in to the aircraft, he's knocked unconscious.

  When Nyku wakes up, he finds that this was a miniature test to the applicants' fortitude. The aircraft was set to explode 24 hours after the 500 applicants were knocked unconscious, and those who woke up early would get a parachute to land on the island below.

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  After landing on the island, mainly jungle, it's announced that to actually go to Lasa Island, an applicant would have to slay a wild beast on the island and submit their body to one of the proctors on the island.

  This isn't just a test to Nyku's fortitude, but also a test to his physical capabilities and intelligence gathering, as it's impossible to survive in this world through courage alone.