Kiyotaka Sato (Shuhei Nomura) is a university student. He is sociable, but he looks like he doesn’t have interest in those around him. During his summer vacation, Kiyotaka Sato plans to get his driver’s license to impress schoolmate Matsuda (Yukino Kishii). At this time, a yakuza boss (Ken Mitsuishi) orders Todoroki (Kento Kaku) to get his driver’s license. Todoroki doesn’t show his feelings outwardly. Later, Todoroki drives a car without a driver’s license and he hits Kiyotaka Sato. To cover up the accident, Kiyotaka Sato is placed in a car and taken to away. He arrives at an unofficial driving school. The driving school is run by the Uehara family. There, Kiyotaka Sato and Todoroki learn that they graduated from the same high school. They spend their summer at the driving school.

When Chihaya Ayase was in the 6th grade of elementary school, she met Arata Wataya. Arata Wataya transferred from Fukui Prefecture. Taichi Mashima was Chihaya Ayase’s friend since they were little. Arata got close to Chihaya and Taichi from the card game karuta. Four years later, Chihaya is a high school student. Chihaya learns that Arata, who went back to Fukui Prefecture, doesn’t play karuta anymore. Believing they will meet Arata again, Chihaya and Taichi starts a karuta club at their high school.

A high school girl, Sayaka Kudō was the bottom of the class. After a year, she improved her deviation value from 30 to 70, then passed Keio University that is considered one of the most difficult to enter in Japan.