Hakami calm sea : Second Time in a Different World, No Matter How You Think, You Are Stronger Than High School Student Brave Man (3) AlphaPolis

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[Contents introduction]
The salaryman who does not rise in the Udatsu, Riku Takayanagi.
With his special past of having once ventured into another world, he will one day go into another world when three high school students are summoned as heroes.
The Rem Niti, who fought in the Holy Land of Grand Shea, was one of the demons that Rik had defeated in the world where he was once summoned.
Guided by his words, "Let's settle it in the ヴァッフェ Empire," the Riks travel one way to the Empire.
As the Riks arrived in the Empire were preparing for the battle, a massive invasion by the Turks began.
Sensing the smell of Rem Niti behind the scenes, Riks will enter the enemy's camp alone in order to win the battle. The former hero's old man will face up to the strong enemy once again!