People" were on a desert island. They had just blown up the plane and drifted away until they lost contact.

This book is also known as "Superman High School Student Can..... Bah Even on a Desert Island"

This is the story of Yukino with Yukishita Yukino surviving in the wilderness at the beginning.

Megumi Kato: Brother, this is a wreath I made up.

Yukinoshita Yukino: Jun-san, the scallops are already baked, do you want to eat them?

Kong Yinzi: Senior brother, I found this (a shiny gem) in the river! Good-looking?

Kasumigaoka:.

Yui Hihama:.....

Megumi Kato: Brother (eyes gradually breaking down).

I’ll grind a kitchen knife for cooking.