 After all 13 of KinKi Kids' singles since their debut single "Garasu no Shōnen" debuted at the top of the charts, they were listed in the 2002 edition of the reference book "Guinness World Records" for having the record of the most number of consecutive number-one singles since their debut single.It was the first case for a musical artist in Japan to be recognized by the "Guinness World Records".Irish group Westlife was listed as this record holder by the "Guinness World Records" before the duo's accreditation because of making seven consecutive UK number-one singles since their debut as a group.