Movies Like I Found Myself Smaller and Smaller

If you liked I Found Myself Smaller and Smaller (1991), a movie directed by Takashi Koike, here are 20 movies with a similar feel, based on TMDB's recommendations. Each one links to its cast, trailer and where it's streaming.

1
Inuyasha the Movie 4: Fire on the Mystic Island (2004)
★ 7.6/10
The mysterious island of Houraijima has reappeared after 50 years, and with its reappearance has brought the attack of four gods, the Shitoushin, who have their eyes set on the powers that protect and sustain the…
2
Tokyo Fist (1995)
★ 6.8/10
A businessman, Tsuda, runs into a childhood friend, Kojima, on the subway. Kojima is working as a semiprofessional boxer. Tsuda soon begins to suspect that Kojima might be having an affair with his fiancée Hizuru…
3
Steins;Gate: The Movie - Load Region of Déjà Vu (2013)
★ 7.6/10
One year after the events of the anime, Rintarou begins to feel the repercussions of extensive time travel, and eventually completely fades from reality. Kurisu, being the only companion to remember him, now must find…
4
Doctor Who: The Runaway Bride (2006)
★ 7.8/10
A young bride in the midst of her wedding finds herself mysteriously transported to the TARDIS. The Doctor must discover what her connection is with the Empress of the Racnoss's plan to destroy the world.
5
Jujutsu Kaisen 0 (2021)
★ 8.1/10
Yuta Okkotsu is a nervous high school student who is suffering from a serious problem—his childhood friend Rika has turned into a curse and won't leave him alone. Since Rika is no ordinary curse, his plight is noticed…
6
Her Blue Sky (2019)
★ 7.4/10
High school student Aoi Aioi lives with her elder sister, Akane, after a tragic accident took their parents away 13 years ago. Because Akane has since been taking care of her single-handedly, Aoi wants to move to Tokyo…
7
Clannad: The Motion Picture (2007)
★ 7.3/10
Plagued by a seemingly endless stream of haunting dreams, Tomoya drifts through life with an almost overwhelming sense of anger and emptiness. Then, one fateful day, he meets the mysterious and beautiful Nagisa, and…
8
I've Always Liked You (2016)
★ 7.4/10
Love is blooming at Sakuragaoka High School. Natsuki Enomoto has finally mustered the courage to confess to her childhood friend, Yuu Setoguchi. However, in the final moments of her confession, an embarrassed Natsuki…
9
My Hero Academia: Heroes Rising (2019)
★ 8.1/10
Class 1-A visits Nabu Island where they finally get to do some real hero work. The place is so peaceful that it's more like a vacation... until they're attacked by a villain with an unfathomable Quirk! His power is…
10
JoJo's Bizarre Adventure: Diamond Is Unbreakable – Chapter 1 (2017)
★ 6.6/10
Welcome to idyllic Morioh, whose ocean views and charming townscapes make it a breezy Japanese utopia. But a chain of grisly killings has cast a bloody pall of uncertainty over its residents, especially Josuke…
11
From Up on Poppy Hill (2011)
★ 7.5/10
Yokohama, 1963. Japan is picking itself up from the devastation of World War II and preparing to host the 1964 Olympics—and the mood is one of both optimism and conflict as the young generation struggles to throw off…
12
Over the Sky (2020)
★ 6.8/10
Mio has long hidden her feelings for her childhood friend Arata. After an argument leaves their relationship uncertain, she sets out to reconcile with him but awakens in a mysterious version of Ikebukuro following an…
13
Hunter x Hunter: Phantom Rouge (2013)
★ 7.1/10
One day, Kurapika spots a child who looks very similar to his childhood friend, Pyro. However, when he catches up to him, the boy steals Kurapika's eyes with some kind of magical power. Gon, Leorio, and Killua promise…
14
JUJUTSU KAISEN: Hidden Inventory / Premature Death - The Movie (2025)
★ 8.7/10
Pursued by a religious cult and other curse users, former friends Satoru Gojo and Suguru Geto are the only sorcerers capable of carrying the difficult task of protecting Riko Amanai, a student who has been designated…
15
Persona3 THE MOVIE #2 Midsummer Knight's Dream (2014)
★ 7.2/10
After realizing the value of life and the importance of his own allies, Makoto finally got his smile back. He finds himself learning more about those comrades and getting closer to them. Makoto wishes that everything…
16
Kingdom (2019)
★ 7.3/10
Set in Qin Dynasty during the warring states period in ancient China. Shin was a war orphan. He has a dream of becoming a great general Shin has a fateful encounter with young King Eisei. King Eisei aims to unify all…
17
The Relative Worlds (2019)
★ 5.9/10
Shin has shut his heart ever since his mother died when he was young. His childhood friend Kotori has been looking after him ever since. Now that they are in the third year of high school, and it seems like they can…
18
Peggy Sue Got Married (1986)
★ 6.1/10
At her 25th high school reunion, Peggy Sue faints and awakens in 1960—back in her senior year, before her marriage and all her regrets. Given a second chance to relive her youth, she must decide whether to change the…
19
Your Name. (2016)
★ 8.5/10
High schoolers Mitsuha and Taki are complete strangers living separate lives. But one night, they suddenly switch places. Mitsuha wakes up in Taki’s body, and he in hers. This bizarre occurrence continues to happen…
20
Inuyasha the Movie 2: The Castle Beyond the Looking Glass (2002)
★ 7.7/10
With their most formidable foe vanquished, Inuyasha and his comrades begin returning to their everyday lives. But their peace is fleeting as another adversary emerges: Kaguya, the self-proclaimed princess from the Moon…