Hyoutei Academy's Yuushi Oshitari is fed up with being the unfunny one in his daily life. He sets out to rectify this by getting himself into an idiotic situation, but his tennis club teammates do not seem to understand what he is doing.

After the Nationals, Seigaku goes on a trip to Osaka for the purpose of training with Shitenhouji. Meanwhile, back in America, Ryoma re-encounters with Ryoga, whom he sees training in a slum.

The story of Hyōtei's Third year regulars when they first entered middle school.

Even though he is supposed to be the humorous one, Kenya Oshitari is concerned that his recent "manzai" jokes have not been landing. Luckily for him, his teammate from the Shitenhouji Middle School tennis team, Hikaru Zaizen, has come to save the day by replacing him as the laughing stock in the jokes.

When Momoshiro and Kaidō lose their cool while training the first and second years and Ryōma returns from America to Osaka.

A flashback to when Kirihara first joins Rikkadai and challenges the last years winning regulars of the national tournament so that he can become number one. He loses to Rikkai's Big Three, but he vows to beat them.

A video of Shitenhouji Middle School's Kenya Oshitari doing pen spinning tricks suddenly goes viral. Soon, this prompts a competition to see who can upload an even more bizarre video.

This is a self-contained story telling the growth of Shintenhouji's tennis club. It covers the arrival of Zaizen and also the making of Shiraishi's Entaku shot.

Some first-years of Seigaku Tennis Club join Momoshiro and Kaidō in a scary story telling session.

After a spontaneous call from someone anonymous, Bunta Marui sets off on his own to meet up with them. Curious about the person on the other side of the phone, his Rikkai University-Affiliated Middle School Tennis Club teammates, Renji Yanagi and Hiroshi Yagyuu, secretly tail him.

A story that flashbacks to the days when Tachibana and Chitose were team-mates and how their remarkable tennis skills earned them this nickname.

So what does it take to get the sleeping princess of Hyoutei to wake up? Entrusted by Atobe with this task, Gakuto and Oshitari follows Jirou after training to find out.