"Lava" is the Disney Pixar short that will premiere before the feature-length movie Inside Out next summer. Judging by this first sneak peek, it's going to be absolutely adorable.

"Inspired by the isolated beauty of tropical islands and the explosive allure of ocean volcanoes, "Lava" is a musical love story that takes place over millions of years," Disney Pixar says of the short. Awwww. [Disney Pixar via Tastefully Offensive]