When Uno arrived at the cram school where he first met Ron Someya, his former student and lover, he was taken aback. They had bonded over Someya's tumultuous family life, but after doubts arose, Uno broke things off. Now, Someya was also a trainee teacher, and proposed they start dating again until one of them found someone else. At first, Uno was swept up in nostalgia, but a misunderstanding left him wondering what was real and what was not.