Akiyoshi Yoda

Kozue loves to stargaze and does so regularly. On a trip to view a meteorite, she happens to meet a boy named Ginga. He has a mysterious ability to discover more information about the stars, which he uses to help scientists with astronomical research. Unfortunately, his life is mostly dictated for him, and when carrying out missions, he must always wear a protective suit. Kozue helps Ginga to gradually take control of his life by encouraging him to make his own decisions.

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.