anime name in the end of the video.
thank you.

How a Realist Hero Rebuilt the Kingdom (Japanese: 現実主義勇者の王国再建記, Hepburn: Genjitsu Shugi Yūsha no Ōkoku Saikenki), also known as Re:CONSTRUCTION – The Elfrieden Kingdom Tales of Realistic Brave, is a Japanese light novel series written by Dojyomaru and illustrated by Fuyuyuki.
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How a Realist Hero Rebuilt the Kingdom – Wikipedia
Author: Dojyomaru
Studio: J.C.Staff
Episodes: 26 (List of episodes)
English network: SEA Animax Asia