This story centres on a female teacher who is around 180 centimetres (about 5 feet 11 inches) tall and a male student who is about 160 centimetres (about 5 feet 3 inches) tall as they aim to perform a beautiful dance. The inexperienced pair have lessons in secret. Though the effort is enjoyable, the waltz they perform is clumsy.

Harumi is a high school boy who has been hiding his love of cooking from the world since a certain incident. However, by chance, he is asked to make lunch boxes every day for Mizuhara-sensei, a female teacher known as the "Giant God Warrior".