R-ne: a cute, shapeshifting metallic lifeform who one day fell from space.

Keiji Osaki: a young man with a mysterious past, now working at a mech garage.

After growing close through adventures and mishaps throughout the summer, the two of them made a promise: to return R-ne to her home planet.

To that end, Keiji has steadily been working on a plan together with space pirate Lily, and his coworker at the garage, Kumiko.

But Ms. Kanade's big reveal has thrown a spanner in the works.

The people of Hanma Town must now do battle against a mysterious organization that's after R-ne.

Time is running out for Keiji and his friends!

Will they ever be able to return R-ne to space?

And is that really the right move?

The thrilling conclusion to R-ne's journey is finally here!