The love between high school and college was destroyed by a car accident. The male protagonist stood up after being decadent and worked hard for an impossible time travel. Under the prompts of a mysterious college student, he invented an invention that could be done in- - Performed a time jump of years in a fixed space. After the success, he suddenly discovered that the car accident was caused by himself. However, after his death, his son, the mysterious man, discovered the real cause of the car accident at the age when he had become a grandfather. Thinking of his father who regretted it for the rest of his life, he burst into tears. What happened back then was already the best ending.
Intention: Feel the pure love in student days, feel the strangeness of science fiction time travel, and feel the beauty of the present