The Genius Prince's Guide to Raising a Nation Out of Debt Tensai Ouji no Akaji Kokka Saisei Jutsu English Subbed

Once upon a time in a far away land there lived a prince, a genius prince. The genius prince fought alongside his people and led them to a great many triumphs. However, truth be told, he just wants to let everything go and live in tranquility.

(Source: Funimation)