The Unknown Miracle is the rumored seventh prodigy of the Generation of Miracles. This miracle had the gift of speed even faster than sound, was also able to shoot from any place on the court with ease. This miracle was no such rumor, because it was all true.
Meet Yukiko Nakagawa, the seventh member and prodigy of the generation of miracles, a cheerful and funny girl with a strong passion for basketball. She was close friends with Momoi, which is how she met the generation of Miracles. She created a strong bond with each player, but when she thought it would last something changed.
She was tired of them not realizing what the real meaning basketball is to have fun with one another. She left her last year of middle school to America, later on returning rejuvenated and ready to start new. She decides to go to Seiren High feeling good about her choice; she is reunited with her two friends and makes new ones along the way. She is ready to show her former teammates what basketball is really about.