List of Hot 100 number-one singles of 2010 (Japan)
Introduction This is a list of number one singles on the ''Billboard'' Japan Hot 100 chart in Japan in 2010.DateSongArtist January 4  "Fuyu Koi"  Kanjani Eight January 18  "Fly Away"  Rake January 25 February 1  "Gloria"  Yui February 8  "Break Out!" Tohoshinki February 15  "Modorenai Ashita"  Aiko February 22  "Love Yourself (Kimi ga Kirai na Kimi ga Suki)"  KAT-TUN March 1  "Sakura no Shiori"  AKB48 March 8  "Hitomi no Screen"  Hey! Say! JUMP March 15  "Troublemaker"  Arashi March 22 March 29  "Sakura"  Monkey Majik April 5  "Toki o Tomete"  Tohoshinki April 12  "Sakura Girl"  NEWS April 19  "Yūki 100%"  NYC April 26  "Happy"  Bump of Chicken May 3  "Mahō no Ryōri (Kimi Kara Kimi e)" May 10  "Go! Go! Maniac"  Ho-kago Tea Time May 17  "Arigatō"  Ikimono-gakari May 24  "Going!" KAT-TUN May 31  "Monster"  Arashi June 7  "Ponytail to Chouchou"  AKB48 June 14  "Rain"  Sid June 21  "Victory"  Exile June 28 July 5  "Okay"  Koshi Inaba July 12  "Wonderful World"  Kanjani Eight July 19  "To Be Free"  Arashi July 26 August 2  "This Is Love"  SMAP August 9  "One in a Million"  Tomohisa Yamashita August 16  "This Is Love"  SMAP August 23  "Hotaru"  Masaharu Fukuyama August 30  "Heavy Rotation"  AKB48 September 6  "Life (Me no Mae no Mukō e)"  Kanjani Eight September 13  "Wildflower"  Superfly September 20  "Love Rainbow"  Arashi September 27  "Motto Tsuyoku"  Exile October 4 October 11  "Kimi ni Todoke"  Flumpool October 18  "Dear Snow"  Arashi October 25  "Uchūhikōshi e no Tegami"  Bump of Chicken November 1  "Yoku Asobi Yoku Manabe"  NYC November 8  "Beginner"  AKB48 November 15  "Fighting Man"  NEWS November 22  "Hatenai Sora"  Arashi November 29  "Change Ur World"  KAT-TUN December 6  "Goodbye Happiness"  Hikaru Utada December 13  "Family (Hitotsu ni Naru Koto)"  KinKi Kids December 20  "Chance no Junban"  AKB48 December 27  "Arigatō (Sekai no Doko ni Ite mo)"  Hey! Say! JUMP
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