(This book is also known as "When Love Rolls in" and "Miss Beibuki Will Not Let Me Go")
Kasama has been separated from his childhood sweetheart Kitabuki for three years, starting in junior high school. The two people who only see each other during long holidays can feel that the relationship between them is getting weaker and weaker. If this continues, they will almost become strangers.
Both of them wanted to re-build a bridge of friendship, which was commendable, and fate happened to let them enter the same high school. Thus, a familiar but new relationship between the two girls began.
However, the new relationship that Kitabuki wants to build seems to be different from what Kasama imagined.
Concept: pure love between two girls