In junior high school, I fell in love with the most beautiful girl in school. She went to a different high school, but she asked me to walk home with her as her bodyguard.

When Masato Nakasuji was in his third year of junior high, he fell in love with Ayana Sairenji, the most beautiful girl in school and his classmate.

Masato, an introverted otaku with an overweight build, started a diet to get closer to Ayana, but he graduated from junior high before seeing any results.

However, after the opening ceremony of the second semester of his first year of high school, Masato was brought to a family restaurant by Ayana's best friend, Chika Miyahara. There, Ayana stood before him and asked, "W-Would you... walk home with me!"