Japanese Box Office For December 2021
| Rank | Release | Gross | Max Th | Opening | % of Total | Open Th | Open | Close | Distributor |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Jujutsu Kaisen 0 | $108,194,046 | - | $14,179,710 | 13.1% | - | Dec 24 | - | IMAX |
| 2 | 99.9 Criminal Lawyer: The Movie | $23,055,069 | - | $2,899,656 | 12.6% | - | Dec 30 | - | Shochiku |
| 3 | Your Turn to Kill | $16,511,822 | - | - | - | - | Dec 10 | - | Toho |
| 4 | Venom: Let There Be Carnage | $16,058,677 | - | $4,039,353 | 25.2% | - | Dec 3 | - | Sony Pictures Releasing |
| 5 | The Matrix Resurrections | $12,300,000 | - | $2,642,655 | 21.5% | - | Dec 17 | - | Warner Bros. |
| 6 | The Boss Baby 2: Family Business | $8,333,349 | - | $1,281,166 | 15.4% | - | Dec 17 | - | Universal Pictures International (UPI) |
| 7 | The King's Man | $7,878,368 | - | $2,025,789 | 25.7% | - | Dec 24 | - | Walt Disney Studios Motion Pictures |
| 8 | Kamen Rider: Beyond Generations | $3,021,890 | - | $1,097,351 | 36.3% | - | Dec 17 | - | Toei Company |
| 9 | Last Night in Soho | $1,370,000 | - | - | - | - | Dec 10 | - | Parco Co. Ltd. |
| 10 | Aria the Benedizione | $831,621 | - | $290,099 | 34.9% | - | Dec 3 | - | - |
