勝　あしたの雪之丞２

Kubo Masaru was knocked out into a critical state of unconsciousness by the prequel's protagonist, Yukimura Yukinojou, during a boxing practice.
He recovered from the coma now, and at present is attending Ryouzuki School.
However, due to his insufficient attendance, he has to repeat a year, additionally got barred from the possibility of practicing box, and is moved from the specially selected sports class to a general education class where he, alongside with his classmate Mizushina Akira, is fighting against heavy odds at the studies designed as preparations of entering university.
After regaining his consciousness and recovering from the feeling that "he has somehow slipped into the future" due to the time he lost in coma, the doctors also forbid him to practice his biggest passion - boxing -, thus now Masaru is frustrated of being unable to continue and is completely burning out inside.
Just what sort of destiny such a Masaru could end up with?