In the fifty-ninth year of the "Sakura," Zhang Yuan, with his head full of white hair, came to Atiya Park on the north side of East Sea City...
Behind "Atiya Park" is the renowned 20th-century mathematician, Sir Atiyah, famous for proving the "Index Theorem." However, nowadays, few people delve into these matters, let alone know what the so-called "Index Quantity" actually is or what purpose it serves...
Zhang Yuan sat down on a bench, leaning on his cane.
Years of worry and enormous mental stress had stolen his health, making it impossible for him to ambitiously confront the whole world as he had done in his youth...
Aging is an inevitable enemy of life. This was not Zhang Yuan's first time facing it; willing or not, it always arrived on schedule.