Synopsis: Nine Peaks

Following the death of his father, Gaku Mashio went to the breakwater that evening to ponder about his dad's life. However, he unintentionally fell into the water and found himself bewildered when he regained consciousness. Gaku had been transported back 22 years in time, and to his surprise, his late father's 16-year-old self, Harumi, had saved him from drowning.