Netorare Tsuihousareta Saikyou Kishi Danchou no Ossan, Katainaka de Eiyuu ni Matsuriagerareru寝取られ追放された最強騎士団長のおっさん、片田舎で英雄に祭り上げられる（コミック）; The Strongest Old Knight Commander is Celebrated as a Hero in the Countryside After Being Cheated on and Exiled

For years, the commander of the knights, Warrena, has contributed to keeping the kingdom at peace. Despite surviving a year-long campaign, his fiance, the third princess, became pregnant on top of having an affair. In order to cover up the family scandal, the royal family declared that Warrena had passed away during the campaign. He gives up on his kingdom out of despair and decides to use his compensation money to live a slow and leisurely life in the countryside. One by one, he encounters a saint and a fox girl, and they eventually end up falling for him. However, he himself has a reason why he cant fall in love with them?! A fantasy story about the rise of the strongest old man who was exiled from the kingdom!