At 29 years old, carefree Hiroto Ikuta doesn't have a girlfriend, a full-time job, or a plan for the future—and he couldn't be happier. Hiroto's breezy attitude isn't easy for everyone to understand, though. In a world filled with anxiety, confusion, and grief, Hiroto and the people around him are all just doing their best to figure out this thing called life.

Riku Kuroe is a 24-year-old deliveryman from "Elephant Express", a delivery company located in a lonely shopping district. Every day she works hard delivering various packages with her small truck, and she believes that every item is someone's treasure.

In the heyday of e-sports, “Gunpla Battle” is leading the way in popularity. By scanning their own gunpla and controlling a life-size Gundam projection, they aim to win the national championship. Hiro is the pilot, Takumi is the builder, Kentaro is the programmer, Taichi is the commander, and Sota is the armorer. A variety of crises await these adolescents. Farewells from their friends and conflicts with rival teams. This is a coming-of-age ensemble drama about high school students who gradually grow up with dreams and friendship in their hearts through Gunpla battles.