Weekly Sales Rankings
Top Ten Manga Sales Ranking: December 2020 Week 1
Here are the Top Ten Manga Sales Rankings in Japan on Week 1 of December 2020 (as of December 5, 2020).
Bookstore* Sales
| Rank | Title | Author/Illustrator | Publisher | Release Date | |
| 1 |  |
The Apothecary Diaries Vol. 7 | Hyuuga Natsu | Square Enix | 2020/11/25 |
| 2 |  |
Kimetsu no Yaiba Vol. 22 | Gotouge Koyoharu | Shueisha | 2020/10/02 |
| 3 |  |
That Time I Got Reincarnated as a Slime Vol. 16 | Kawakami Taiki | Kodansha | 2020/11/27 |
| 4 |  |
Kaguya-sama: Love Is War
Vol. 20 |
Akasaka Aka | Shueisha | 2020/11/19 |
| 5 |  |
Kimetsu no Yaiba Vol. 20 | Gotouge Koyoharu | Shueisha | 2020/05/13 |
| 6 |  |
Kimetsu no Yaiba Vol. 21 | Gotouge Koyoharu | Shueisha | 2020/07/03 |
| 7 |  |
Kimetsu no Yaiba Vol. 18 | Gotouge Koyoharu | Shueisha | 2019/12/04 |
| 8 |  |
Kimetsu no Yaiba Vol. 19 | Gotouge Koyoharu | Shueisha | 2020/02/04 |
| 9 |  |
Grand Blue Vol. 16 | Inoue Kenji | Kodansha | 2020/11/20 |
| 10 |  |
Kimetsu no Yaiba Vol. 16 | Gotouge Koyoharu | Shueisha | 2019/07/04 |
* All MARUZEN, Junkudo and Bunkyodo bookstores nationwide
Source: honto Rankings
Online Physical Releases
| Rank | Title | Author/Illustrator | Publisher | Release Date | |
| 1 |  |
Kimetsu no Yaiba Vol. 23 | Gotouge Koyoharu | Shueisha | 2020/12/04 |
| 2 |  |
Kimetsu no Yaiba Gaiden | Gotouge Koyoharu | Shueisha | 2020/12/04 |
| 3 |  |
Jujutsu Kaisen 2 | Akutami Gege | Shueisha | 2018/09/04 |
| 4 |  |
Jujutsu Kaisen 4 | Akutami Gege | Shueisha | 2019/03/04 |
| 5 |  |
Jujutsu Kaisen 9 | Akutami Gege | Shueisha | 2020/01/04 |
| 6 |  |
Jujutsu Kaisen 8 | Akutami Gege | Shueisha | 2020/01/04 |
| 7 |  |
Jujutsu Kaisen 7 | Akutami Gege | Shueisha | 2019/10/04 |
| 8 |  |
Jujutsu Kaisen 10 | Akutami Gege | Shueisha | 2020/03/04 |
| 9 |  |
Jujutsu Kaisen 3 | Akutami Gege | Shueisha | 2018/12/04 |
| 10 |  |
Jujutsu Kaisen 12 | Akutami Gege | Shueisha | 2020/08/04 |
Source: honto Rankings
Online Digital Releases
| Rank | Title | Author/Illustrator | Publisher | Release Date |
| 1 | The Apothecary Diaries Vol. 7 | Hyuuga Natsu | Square Enix | 2020/11/25 |
| 2 | That Time I Got Reincarnated as a Slime Vol. 16 | Kawakami Taiki | Kodansha | 2020/11/27 |
| 3 | My Dress-Up Darling Vol. 6 | Fukuda Shinichi | Square Enix | 2020/11/25 |
| 4 | Suteki na Kareshi Vol.14 | Kawahara Kazune | Shueisha | 2020/11/25 |
| 5 | Hajimete Koi o Shita Hi ni Yomu Hanashi Vol. 12 | Mochida Aki | Shueisha | 2020/11/25 |
| 6 | Jujutsu Kaisen 0 | Akutami Gege | Shueisha | 2018/12/04 |
| 7 | Overlord Vol. 14 | Miyama Fugin | Kadokawa Shoten | 2020/11/25 |
| 8 | Sweat and Soap Vol. 8 | Kintetsu Yamada | Kodansha | 2020/07/20 |
| 9 | Kaguya-sama: Love Is War
Vol. 20 |
Akasaka Aka | Shueisha | 2020/11/19 |
| 10 | Coffee & Vanilla Vol. 16 | Akegami Takara | Shogakukan | 2020/11/27 |
Source: honto Rankings
