Nishikata really likes cats but doesn't want Takagi-san to know. But when he sees a very friendly cat, he can't help it. What is a guy to do?!

The class has been secretly writing love letters to one another, which confuses Nishikata when he discovers one in his textbook. He assumes Takagi is responsible yet refuses to directly ask her.

Nishikata is at the mall to buy the latest volume of "100% Unrequited Love" when he runs into Takagi-san. She wants Nishikata to help her pick out a bathing suit, but Nishikata is too embarrassed to be seen with her. Suddenly, Nishikata hears a familiar voice...

Takagi-san and Nishikata compare heights to see if Nishikata did indeed grow. But as always, her method is unusual and Nishikata can't help but wonder... Meanwhile, Yukari is curious about the two because they're always hanging out together. Are Takagi-san and Nishikata going out?

Nishikata receives his first cell phone and can't wait to play tricks on Takagi-san. He sends her a scary video to frighten her, but it doesn't quite work. As usual, Takagi-san has the upper hand when it comes to teasing...

Nishikata is so happy summer vacation is starting, but Takagi-san doesn't seem that excited. She suggests they should practice tandem riding during vacation. When Nishikata agrees, she finally seems enthusiastic about summer vacation.

Mina believes she’s mature enough to enjoy coffee, but Yukari and Sanae think otherwise. On a rainy day, Takagi-san has forgotten her umbrella. Nishikata to the rescue...?

Nishikata has mastered tandem riding with Takagi-san, so why does he feel a bit melancholy? On his way to school, Nishikata is psyched about the typhoon, but he runs into Takagi-san at the worst timing.

Nishikata doesn't know what to write for his calligraphy class, so Takagi-san suggests they should both write what they want from each other. Nishikata wants Takagi-san to stop teasing him, of course, but what does Takagi-san want from Nishikata?

Nishikata is studying hard for the test for the sake of his video games when Takagi-san enters the library. Takagi-san teaches him how to solve a math problem, but Nishikata can't help but think she's up to no good...

Nishikata is put on cleaning duty as a punishment for interrupting class. As he goes to the cleaning supply storage, Takagi-san is there! Was she put on cleaning duty too?

Takagi-san is an expert when it comes to teasing Nishikata. Is there any way Nishikata can get back at her?