She is a girl with an ordinary life in the 21st century, but she has special skills. Because her parents died early, leaving only an old grandfather and a young sister, she naturally took on the important responsibilities of the family. . . As a result, I bought a gift for my sister once. . . Let her time travel hilariously. . Met him who is the most beautiful person in the world. . And they met two compatriots in another world, and the three of them wanted to start a journey to find their way home together. . . What will happen to him and her?