Rank/Single/Artist/Release Date/Sales.
1. Imitation Rain / D.D. – SixTONES vs Snow Man (01/22/2020) (1,760,904).
2. Shitsuren, Arigatou – AKB48 (03/18/2020) (1,181,701).
3. Kite – Arashi (07/29/2020) (1,147,865).
4. Shiawase no Hogoshoku – Nogizaka46 (03/25/2020) (1,115,150).
5. Kissin’ My Lips / Stories – Snow Man (10/07/2020) (1,001,750).
6. Navigator – SixTONES (07/22/2020) (707,699).
7. Sonna Koto Nai yo – Hinatazaka46 (02/19/2020) (644,135).
8. Mazy Night – King & Prince (06/10/2020) (591,673).
9. Smile – Twenty Twenty (08/12/2020) (502,143).
10. New Era – SixTONES (11/11/2020) (480,379).
11. Mai Ochiru Hanabira (Fallin’ Flower) – Seventeen (04/01/2020) (426,988).
12. Nobody’s Fault – Sakurazaka46 (12/09/2020) (408,926).
13. Protostar – JO1 (03/04/2020) (372,820).
14. Re:Live – Kanjani8 (08/19/2020) (351,054).
15. Step And A Step – NiziU (12/02/2020) (344,661).
16. Souyuutoko Aru yo ne – SKE48 (01/15/2020) (325,609).
17. Stargazer – JO1 (08/26/2020) (312,404).
18. Mubou na Yume wa Sameru Koto ga Nai – STU48 (01/29/2020) (292,738).
19. Run – Sexy Zone (08/05/2020) (272,746).
20. Not Found – Sexy Zone (11/04/2020) (262,677).
21. Night Diver – Haruma Miura (08/26/2020) (245,007).
22. Homura – LiSA (10/14/2020) (232,510).
23. Shouko – Johnny’s WEST (06/24/2020) (231,467).
24. I Am / Muah Muah – Hey! Say! JUMP (02/26/2020) (226,381).
25. Your Song – Hey! Say! JUMP (09/30/2020) (224,568).
26. Fanfare – Twice (07/08/2020) (223,850).
27. Last Mermaid… – Hey! Say! JUMP (07/01/2020) (220,690).
28. Datte Datte Datte – NMB48 (08/19/2020) (214,375).
29. Kanzai Boya – KinKi Kids (06/17/2020) (200,989).
30. 3-2 – HKT48 (04/22/2020) (196,146).
31. Endless Summer – Kis-My-Ft2 (09/16/2020) (196,025).
32. Omoidaseru Koi wo Shiyou – STU48 (09/02/2020) (193,412).
33. Cameo – =Love (07/08/2020) (174,689).
34. Koi Nanka no Thank You! – NMB48 (11/18/2020) (143,900).
35. Kokoro & Karada / LOVEpedia / Ningen Kankei No Way Way – Morning Musume (01/22/2020) (135,532).
36. Gurenge – LiSA (07/03/2019) (134,348).
37. It’s My Life / Pineapple – V6 (09/23/2020) (116,118).
38. Sherbet Pink – NGT48 (07/22/2020) (112,786).
39. Magic Hour – TXT (Tomorrow X Together) (01/15/2020) (112,017).
40. Acacia / Gravity – Bump Of Chicken (11/04/2020) (111,791).
41. Seishun “Subliminal” – =Love (11/25/2020) (110,924).
42. Better – Twice (11/18/2020) (101,998).
43. Birthday / Kimi to Kasaneta Monologue – Mr. Children (03/04/2020) (98,944).
44. Drama (Japanese Version) – TXT (Tomorrow X Together) (08/18/2020) (98,709).
45. Gattan Gotton Go! – Boys And Men (12/25/2019) (96,143).
46. Hello EP – Official HIGE DANdism (08/05/2020) (94,784).
47. Yakusoku no Sora – Touken Danshi Formation Of Kishou (06/24/2020) (90,491).
48. Nights Cold – Tomohisa Yamashita (07/15/2020) (81,997).
49. Nanbito mo – Last Idol (11/04/2020) (81,475).
50. Ishiki Takai Otome no Dilemma / Dakishimerarete Mitai – Tsubaki Factory (01/15/2020) (81,280).51. I Love… – Official HIGE DANdism (02/12/2020) (75,334).
52. Restart – Mameshiba no Taigun (12/19/2019) (74,795).
53. Fantastic Departure! – Aqours (07/22/2020) (68,635).
54. Haha – Kiyoshi Hikawa (02/04/2020) (68,059).
55. Manazashi – Tohoshinki (TVXQ) (01/22/2020) (66,933).
56. Brava!! Brava!! Brava!! / Ray Of light – Jaejoong (03/11/2020) (66,373).
57. Try Again – MAG!C PRINCE (12/10/2019) (64,476).
58. Teppen New Days – MATSURI nine (03/04/2020) (62,387).
59. Hatsukoi Shijou Shuji – NMB48 (11/06/2019) (61,785).
60. Sanmon Shousetsu / Senryo Yakusha – King Gnu (12/02/2020) (60,556).
61. Fuyuzora / White Wings – Sandaime J Soul Brothers from Exile Tribe (12/11/2019) (60,181).
62. Ai wo Shiru – Last Idol (04/15/2020) (58,541).
63. The Idolmaster Series 15th Anniversary Song : Nando Demo Waraou – The Idolmaster Five Stars!!!!! (09/30/2020) (58,443).
64. Tomo yo – Kanjani8 (11/27/2019) (57,921).
65. Kaze wa Fuiteru ka? – 22/ 7 (09/30/2020) (56,558).
66. Ai no Tame ni ~For Love, For A Child~ / Shunkan Eternal – Exile / Exile The Second (01/01/2020) (55,197).
67. Fight For Your Heart – Haruma Miura (08/07/2019) (53,607).
68. Top ~Japanese Version~ – Stray Kids (06/03/2020) (52,827).
69. A Song For You! You? You!! – M’s (03/25/2020) (52,004).
70. Tsuyogaranakute mo Ii – Nogizaka46 (09/04/2019) (50,967).
71. Ai wo Kudasai ~Don’t You Cry~ – Junretsu (02/26/2020) (50,047).
72. Zanshou – Keisuke Yamauchi (03/11/2020) (49,496).
73. Lost The Memory – Touken Danshi Team Sanjou with Kashu Kiyomitsu (01/22/2020) (48,849).
74. Cheat Time – A.B.C-Z (03/18/2020) (48,218).
75. Paprika – Foorin (08/15/2018) (48,136).
76. Haru wa Yuku – Marie – Aimer (03/25/2020) (46,815).
77. The Idolmaster Shiny Colors : Sweet Step – Shiny Colors (02/12/2020) (46,105).
78. Umbrella / Dropout – Sekai no Owari (06/24/2020) (46,011).
79. Pop Music / Sukitte Itte yo – Juice=Juice (04/01/2020) (45,192).
80. Initial / Yume wo Uchinuku Shunkan ni! – Poppin’ Party (01/08/2020) (43,142).
81. Oh Yeah – Boys And Men (09/09/2020) (42,785).
82. Yakusoku – Roselia (01/15/2020) (42,414).
83. Movin’ On – Sandaime J Soul Brothers from Exile Tribe (04/08/2020) (41,495).
84. Muzui – 22/7 (02/26/2020) (41,187).
85. “Nijigasaki High School Idol Club” Insert Song 1 : Dream With You / Poppin’ Up! / Dive! – Ayumu Uehara (Aguri Onishi) / Kasumi Nakasu (Maaya Uchida) / Setsuna Yuki (Tomori Kusunoki) (11/18/2020) (40,945).
86. Fullmetal Trigger – The Rampage from Exile Tribe (01/15/2020) (40,831).
87. 808 – Oneus (12/18/2019) (40,380).
88. The Idolmaster Million Theater Wave 06 – Hanasakuya (Emily Stewart (Yu Kahara), Tsumugi Shiraishi (Saki Minami), Tomoka Tenkubashi (Kotori Koiwai)) (02/26/2020) (39,859).
89. Good Guy – SF9 (06/17/2020) (38,122).
90. DanshaISM / Ima Nanji – Tsubaki Factory (09/30/2020) (37,800).
91. Unlasting – LiSA (12/11/2019) (37,734).
92. Kimi wo Matteru – King & Prince (04/03/2019) (37,300).
93. Uta no Prince-sama : Super Star / This Is….! / Genesis HE VENS – ST RISH / Quartet Night / HE VENS (09/16/2020) (36,938).
94. Back To Back – Da-iCE (12/18/2019) (36,851).
95. Kagiri Aru Moment / Mirror Mirror – Angerme (08/26/2020) (36,678).
96. Wish On The Same Sky – Monsta X (04/15/2020) (35,415).
97. Time Wrap – Perfume (09/16/2020) (35,405).
98. Drive Us Crazy – Raise A Suilen (01/22/2020) (35,547).
99. Love Live! Nijigasaki School Idol Festival All Stars : Mutekikyuu Believer – Kasumi Nakasu (Mayu Sagara) from Nijigasaki School Idol Club (07/29/2020) (34,894).
100. Amazing Travel DNA – Azalea (12/11/2019) (34,853).