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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.

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.

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.

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.