The protagonist "I" is a junior student at Kyoto University. I wholeheartedly look forward to being accompanied by a black-haired girl and living a wonderful rose-colored campus life. However, things went against expectations, love failed, bad friends were made, and good opportunities were missed. In the end, he always retreated to the small "four and a half dormitory" and wasted two full years of college. "If I had made a new choice, would I have experienced a completely different kind of college life?" - This work starts from this proposition and uses a parallel time and space perspective to imagine what a different youth story would happen if the protagonist returns to his freshman year and chooses a club again.
