Above all, the 'Echigo-ya Department Store' at Toya-ko Lake that has been offering the service of hand-engraving memorial inscriptions for more than 30 years has become popular because of a story in the manga "Gintama" (Silver Soul), in which the main character 'Gintoki SAKATA' fights with a bokuto whose hilt is engraved with the name of Toya-ko Lake.
中でも30年以上前から記念文字手彫りサービスを行っている洞爺湖の「越後屋デパート」では、漫画『銀魂』の主人公「坂田銀時」がその柄に洞爺湖と彫られた木刀で戦うストーリーで人気が集まった。