In the present day, the world is in turmoil due to an "unprecedented disaster." A young man living in Tokyo, Suzushirō, has a secret he cannot tell anyone. That secret is that he can stop the time around him despite his thoughts. One day, he meets a girl named Nazuna who has the same "power". When he learns that she is being used in a crime, he impulsively reaches out to help her.
Looking at Miyuki and Tatsuya now, it might be hard to imagine them as anything other than loving siblings. But it wasn't always this way - Three years ago, Miyuki was always uncomfortable around her older brother. The rest of their family treated him no better than a lowly servant, even though he was the perfect Guardian, watching over Miyuki while she lived a normal middle school life. But what really bothered her was that he never showed any emotions or thoughts of his own. However, when danger comes calling during a fateful trip to Okinawa, their relationship as brother and sister will change forever.
A year has passed since Menma's ghostly return to the Super Peace Busters. Although the time they spent together during that summer was short, the five members reminisce about what happened as they each write a letter to their lost friend.
Seigaku travels to England to play a tournament representing Japan but they are attacked by a group of street tennis players who were banned from playing official tournaments because of their rough play.
The regular players from Seigaku participates in an exhibition game aboard a cruise ship. However, they discover that the event is being run by a corrupt millionaire heavily involved in illegal gambling and betting, who demands that they lose the match on purpose. To add to the confusion, one of the players on the rival team introduces himself as Ryoma's brother.
In this 13-part mini-series, Kino and her talking motorcycle Hermes travel around the world, visiting different countries for three days each in order to learn about each one.
Echizen and the Seigaku regulars took a day off of their normal routines and went hiking on a mountain, where a tennis resort awaits their arrival. Expecting to do some special training, the team reaches the destination only to find their precious tennis courts taken over by a group of college tennis players. However, Ryoma is more than happy to teach them a thing or two about how to play “real” tennis.
