After her father's remarriage, Sachi suddenly finds herself living alone with her new stepsister, Ayari, while their parents are away on a round-the-world honeymoon trip. Their interactions are awkward at first, but once food lover Sachi discovers Ayari's passion for cooking, the two quickly begin to bond over their shared love of good food. Includes: \- Chapter 1: Ham sandwich \- Chapter 2: Egg Fluffy \- Chapter 3: Negi Sausage \- Chapter 4: Midnight soup \- Chapter 5: Raclette \- Chapter 5.5: Extra

由於父母的再婚，突然成為姊妹的幸與綾理， 這次要和朋友們去許多地方遊山玩水嘍！ 退潮時期的挖蛤蜊，還有溪邊的釣魚趣， 小幸要挑戰各種活動!! 在不同地方品嚐美食，美味也會隨之變化。 使姊妹的心越來越寬厚的烹飪生活故事第７集！