If you loved Ani*Kuri15, try 20min Walk from Nishi-Ogikubo Station, 2 Bedrooms, Living Room, Dining Room, Kitchen, 2mos Deposit, No Pets Allowed
A bridge between a film you've already seen and one most people haven't. 20min Walk from Nishi-Ogikubo Station, 2 Bedrooms, Living Room, Dining Room, Kitchen, 2mos Deposit, No Pets Allowed has roughly 3.2× fewer votes than Ani*Kuri15 — it's a deeper cut, not a mainstream recommendation. Here's what they share, and what the second one does that the first one doesn't.

Ani*Kuri15

20min Walk from Nishi-Ogikubo Station, 2 Bedrooms, Living Room, Dining Room, Kitchen, 2mos Deposit, No Pets Allowed
What they share
Both films are directed by Mahiro Maeda, and they both carry the playful, surreal mood tags, and they sit in Animation / Fantasy territory. If that's the register that drew you to Ani*Kuri15, the second film will land in a comparable space — through a different lens.
What 20min Walk from Nishi-Ogikubo Station, 2 Bedrooms, Living Room, Dining Room, Kitchen, 2mos Deposit, No Pets Allowed is
This one does exactly what it says on the tin. A woman undergoes a sudden and dramatic reduction in stature. It's a setup that might appeal to fans of both Kafka and Honey, I Shrunk the Kids.