The last time an artist has achieved two consecutive was Keisuke Kuwata with his singles "Naminori Johnny" (波乗りジョニー, "Surfing Johnny") (July 2001) and "Shiroi Koibito Tachi" (白い恋人たち, "White Lovers") (October 2001).
Terakhir kali, artis yang berhasil mencapainya adalah Keisuke Kuwata dengan single "Naminori Johnny" (波乗りジョニー, "Surfing Johnny") (Juli 2001) dan "Shiroi Koibito Tachi" (白い恋人たち, "White Lovers") (Oktober 2001).