Satoru Mizushima is a designer, who prefers traditional things like handmade items and handwritten works. One day, he happens to meet a mysterious woman, Miyuki Miharu, at the cafe named Piano. She seems to have similar values to him and he is attracted to her. Satoru asks for Miyuki's cellphone number, but she doesn't own a cellphone. They make a promise to meet at the cafe every Thursday. Since then, Satoru and Miyuki meet every Thursday and their relationship develops romantically. Satoru decides to propose Miyuki, but she doesn't show up at the cafe.

Analog

After heading off to a duel with the Tasogaredoki ninja, Moroizumi Sonnamon, Mr. Doi has gone missing. While Yamada and the sixth graders begin searching for Mr. Doi, the Tasogaredoki ninja squad leader, Zado Konnamon, and Sonnamon take the podium in the absence of their homeroom teacher in class 1! Meanwhile, Kirimaru accidentally finds out about the situation Mr. Doi is in. Meanwhile, while the sixth graders are searching for Mr. Doi, Amagi, the cold-hearted strategist of the Dokutake Ninja Squad, suddenly appears in front of them. His face is the spitting image of Mr. Doi.