What huge secret was hidden in that midsummer?
Why did the summer vacation trip of Class 3 of high school turn into a journey of death.
Is it an unfortunate accident, or is there something hidden behind it?
The sole survivor of the accident holds his wedding eight years later. Can he escape fate?
The heroine, who escaped death because she went abroad eight years ago, once again returned to class 3 of high school eight years ago. The choice is to continue running away, or to stay and uncover the mystery.
Friendship, family, love, the beauty and ugliness of human nature are once again unfolding beautifully.
What kind of secrets were hidden behind the forty-seven human lives in the middle of that summer?