12-sai.: Chicchana Mune no Tokimeki

After entering her puberty, Yui Aoi started having pimples on her face, which worries her that because her pimple, Kazuma might not like.

At cram school, Inaba tries to make Yui like him, but in the end she thinks of him as nothing more than a playboy.

Parent's Day is coming up in class 6-2, and a lot of the family members of the students are coming to the class.

Yui helps the girls in her class make wish bracelets, which are bracelets that, if worn by the person you like and yourself, will make the two of you stay together forever.

Inaba takes Yui to the fair to cheer her up. He ties her wish bracelet to a balloon and sets it free to symbolize her leaving Kazuma.

Class 6-2 is performing a school play. The play is Cinderella, and Yui is cast as Cinderella and Yuuto as the prince.