On March 22, KAT-TUN released their debut single "Real Face", accompanied by an album, Best of KAT-TUN and a DVD Real Face Film. These were released on their own label J-One Records. The group also went on a nationwide tour, Live of KAT-TUN "Real Face", in support of the album. Within the first week, Best of KAT-TUN, "Real Face" and Real Face Film topped all three Oricon weekly charts by selling 556,548 copies, 754,234 copies and 374,202 copies respectively. They became the second artists to do so, the first being Ayumi Hamasaki. With these numbers, KAT-TUN holds the record for the highest weekly single debut sales (previously held by Arashi with their debut single "Arashi" of 557,000 copies sold in 1999). In addition, "Real Face" topped the Oricon charts for three weeks straight, becoming the first debut single to do so in Japan in 8 years 8 months since KinKi Kids' debut single "Garasu no Shōnen. " The single sold over a million copies in nine weeks, making "Real Face" the highest selling single for the year 2006.