Fleeing the war, the immortal Machia, graced with eternal youth, finds a baby abandoned in the forest and decides to raise it as her own child, sparking a moving story between a mortal and a being who does not age.

After a covert mission goes wrong, Mobile Suit pilot Amuro Ray and his comrades are stranded on a remote island. The battalion was sent to a land called the Island of No Return to clear off any enemy forces, only to find a group of children and an enemy mecha attack. Now Amuro must find a way for them all to escape this mysterious land, but not before meeting a strange man—Cucuruz Doan.

Hirayama Jirou has lost his mother in the Great Kanto Earthquake and now runs a soba stall with his father. He decides to join the crew of the famous ocean liner Hikawa Maru and finds work cooking in the ship's galley. Through his eyes, the film explores the ship's 85-year history.

The older boys are graduating school and recount their memories together. The next day everyone defends the graduation ceremony against Zundar and Dadacha's Second-Button Monster, but Yumoto struggles using his love power.

In a Kaiju-filled Japan, Kafka Hibino works in monster disposal. After reuniting with his childhood friend Mina Ashiro, a rising star in the anti-Kaiju Defense Force, he decides to pursue his abandoned dream of joining the Force, when he suddenly transforms into the powerful "Kaiju No. 8." An action-packed recap of the first season of Kaiju No. 8 and a new original episode, Hoshina's Day Off.

During the Gallian war with the Empire, the nameless is a renegade squadron in Gallia. Although being labeled as enemies by both the Gallian and Imperial army, the nameless struggle to protect the civilians following their motto, "where the regular army can't, the nameless can".

A curious story follows Kafka Hibino while uncovering Lieutenant Hoshina's questionable activities during an unusual day off.