This is a list of number ones on the Billboard Japan Hot 100 chart in 2008.
Issue date Song Artist January 16 "Stay Gold" Hikaru Utada January 23 "Be Free" Greeeen January 30 "Deai no Kakera" Ketsumeishi February 6 "Soba ni Iru ne" Thelma Aoyama featuring SoulJa February 13 "Lips" KAT-TUN February 20 "Anata ga Koko ni Itara" Porno Graffitti February 27 "Step and Go" Arashi March 5 "Taiyō no Namida" NEWS March 12 "Sono Mama" SMAP March 19 "Wahaha" Kanjani Eight March 26 "Fight the Blues" Hikaru Utada April 2 "New Look" Namie Amuro April 9 "Kurikaesu Haru" 244 Endli-x April 16 "Shuchishin" Shuchishin April 23 "Burn (Fumetsu no Face)" B'z April 30 "Bleeding Love" Leona Lewis May 7 "No More" Tsukasa Maizu May 19 "Summer Time" NEWS 2008/05/14 公開 in "Hot 100". Billboard Japan. May 26 "Don't U Ever Stop" KAT-TUN 2008/05/21 公開 in "Hot 100". Billboard Japan. June 2 "Dreams Come True" Hey! Say! JUMP 2008/05/28 公開 in "Hot 100". Billboard Japan. June 9 "Kiseki" Greeeen 2008/06/04 公開 in "Hot 100". Billboard Japan. June 16 2008/06/11 公開 in "Hot 100". Billboard Japan. June 23 "Verb" Glay 2008/06/18 公開 in "Hot 100". Billboard Japan. June 30 "Ai Ai Gasa" Tegomass 2008/06/25 公開 in "Hot 100". Billboard Japan. July 7 "One Love" Arashi 2008/07/02 公開 in "Hot 100". Billboard Japan. July 14 "Summer Song" Yui 2008/07/09 公開 in "Hot 100". Billboard Japan. July 21 "Love the World" Perfume 2008/07/16 公開 in "Hot 100". Billboard Japan. July 28 "Make My Day" Yui Aragaki 2008/07/23 公開 in "Hot 100". Billboard Japan. August 4 "Your Seed" Hey! Say! JUMP 2008/07/30 公開 in "Hot 100". Billboard Japan. August 11 "Gift" Mr. Children 2008/08/06 公開 in "Hot 100". Billboard Japan. August 18 "I Am Your Singer" Southern All Stars 2008/08/13 公開 in "Hot 100". Billboard Japan. August 25 "Kono Toki Kitto Yume Jya Nai" SMAP 2008/08/20 公開 in "Hot 100". Billboard Japan. September 1 "Truth" Arashi 2008/08/27 公開 in "Hot 100". Billboard Japan. September 8 "Secret Code" KinKi Kids 2008/09/03 公開 in "Hot 100". Billboard Japan. September 15 "Hanabi" Mr. Children 2008/09/10 公開 in "Hot 100". Billboard Japan. September 22 2008/09/17 公開 in "Hot 100". Billboard Japan. September 29 "Tegami (Haikei Jūgo no Kimi e)" Angela Aki 2008/09/24 公開 in "Hot 100". Billboard Japan. October 6"The Birthday: Ti Amo" Exile 2008/10/01 公開 in "Hot 100". Billboard Japan. October 13"Happy Birthday" NEWS 2008/10/08 公開 in "Hot 100". Billboard Japan. October 20"Love, too Death,too"Porno Graffitti 2008/10/15 公開 in "Hot 100". Billboard Japan. October 27"Akai Ito"Yui Aragaki 2008/10/22 公開 in "Hot 100". Billboard Japan. November 3"Mayonaka no Shadow Boy"Hey! Say! JUMP 2008/10/29 公開 in "Hot 100". Billboard Japan. November 10"Musekinin Hero"Kanjani Eight 2008/11/05 公開 in "Hot 100". Billboard Japan. November 17"Beautiful Days"Arashi 2008/11/12 公開 in "Hot 100". Billboard Japan. November 24"Tsuretette Tsuretette"Dreams Come True 2008/11/19 公開 in "Hot 100". Billboard Japan. December 1"Hakanaku mo Towa no Kanashi"Uverworld 2008/11/26 公開 in "Hot 100". Billboard Japan. December 8"Last Christmas"Exile 2008/12/03 公開 in "Hot 100". Billboard Japan. December 15"White X'mas"KAT-TUN 2008/12/10 公開 in "Hot 100". Billboard Japan. December 22"Yowamushi Santa"Shuchishin 2008/12/17 公開 in "Hot 100". Billboard Japan. December 29"Days"Ayumi Hamasaki 2008/12/24 公開 in "Hot 100". Billboard Japan.
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