It's follows the story of Booth, his wife Lissen, and two kids Ansger and Emil, on their 100-day trip to Japan as they try a wide variety of Japanese foods. Booth was inspired to make the trip by Shizuo Tsuji's book, Japanese Cooking, A Simple Art.
Backstabbed in a Backwater Dungeon: My Trusted Companions Tried to Kill Me, But Thanks to the Gift of an Unlimited Gacha I Got LVL 9999 Friends and Am Out For Revenge on My Former Party Members and the World