Komi Amane has always been shorter than his classmates, a fact that has left him feeling inferior for as long as he can remember. Everything changes when he meets Azumi Obinata, a girl who is head and shoulders above him in height. Despite her imposing stature, Azumi is kind and quickly becomes Komi's girlfriend. The manga follows this unlikely couple as they navigate their daily lives, proving that they are the happiest young people in the world. What began as a popular one-shot has since been expanded into a full serialization, focusing on the heartwarming comedy and romance that comes from their unique dynamic.