Chihaya Ayase has spent most of her life supporting her sister’s model career. When she meets a boy named Arata Wataya, he thinks Chihaya has potential to become a great karuta player. As Chihaya dreams of becoming Japan's best karuta player, she is soon separated from her karuta playing friends. Now in high school, Chihaya still plays karuta in the hope that she will one day meet her friends again.

Takeo Goda is a giant guy with a giant heart. Too bad the girls don't want him! (They always go for his good-looking best friend, Makoto Sunakawa.) Used to being on the sidelines, Takeo simply stands tall and accepts his fate. But one day when he saves a girl named Rinko Yamato from a harasser on the train, his (love!) life suddenly takes an incredible turn! Takeo can hardly believe it when he crosses paths with Rinko again, and he finds himself falling in love with her... But with handsome Suna around, does Takeo even stand a chance?

Lupin & Jigen have their sights set on a treasure called the Little Comet, which is located in the heavily fortified country of East Doroa. During the heist, Jigen is almost killed by a sniper named Yael Okuzaki. His specialty is preparing tombstones for his targets before executing them. It's said that no one can survive after Yael makes their tombstone.

After a chaotic heist, Lupin and Jigen find themselves becoming caretakers of a baby boy, while a young sky pirate called Yutika is after their loot. Yutika is an inhabitant of the city-state of Shahalta, which has recently fallen to a shady minister. Soon, Lupin's gang and Yutika join forces to uncover one of Shahalta's greatest treasures, facing off against both Shahaltan authorities and Zenigata.

This is the fourth movie starring a tiger boy named Shimajiro.