A broke Momoka discovers a treasure map?! How does the Survival Game Club's treasure hunt end?! National idol Yammy suddenly gained weight?! The Survival Game Club helps her diet, but Momoka's intentions... The Survival Game Club gets lost in the jungle. A mysterious creature watches them. A magnificent battle to the death begins between the Survival Game Club and their invisible enemy.
"As long as I'm happy, that's all I need."
„So lange ich glücklich bin,
ist das alles, was ich brauche.“
"Mi propia felicidad es 
lo único que importa".
"Mi propia felicidad es 
lo único que importa".
"Desde que eu esteja feliz, está ótimo."