Docking!

About Docking! on 123movies: released in 2019, directed by Shinya Kawakami, running 12 minutes, produced in Japan. Three high school students at the Robocon Research Club learned that an UFO will destroy the earth from Akane, a mysterious new student, who suddenly appeared in the area of Hayama and Iijima. They gather junk to save the Earth by building a three-body-combined robot and stand up to the enemies.