King & Prince

King & Prince is a six-member Japanese idol group under Johnny & Associates that debuted in 2018. The group was originally a Johnny's Jr. unit, Mr. King vs Mr. Prince that was composed of 2 separate units: Mr. King and Prince. The units later performed as one group for TV Asahi's Roppongi Hills Natsu Matsuri Summer Station in June 2015. Their debut was announced at a press conference on January 17, 2018 along with the establishment of Johnny & Associates' new record label under Universal Music, Johnny's Universe, with King & Prince becoming the first artists to sign under the label. They sold 3 million copies in Japan.

2015–2017: Beginnings

Mr.King vs Mr.Prince was formed on 5 June 2015, when they were appointed to be special supporters for TV Asahi's Summer Station event. Mr.King vs Mr.Prince was originally two separate Johnny's Jr. units: "Mr. King", consisting of Sho Hirano, Ren Nagase, and Kaito Takahashi and "Prince", consisting of Yuta Kishi, Yuta Jinguji,and Genki Iwahashi. Their name was coined by then-president Johnny Kitagawa two hours before the press conference announcing their formation. Mr.King vs Mr.Prince was originally meant to be a limited-time unit for the Summer Station event, however, in August 2015, the members announced that they would continue activities as a group.

In 2016, the group split back into their respective units. Mr. King released a photo book and were special supporters for Summer Station 2016, while Prince performed in the Johnny's Ginza musical and became regular cast members of the TV Asahi variety show Mayonaka no Prince. In September 2017, the six members performed in the Johnny's Jr. concert Summer Sta (Kimi ga) King's Treasure. After the concert, they asked Johnny Kitagawa to let them debut together.

2018–present: Debut and success

On 17 January 2018, their debut was announced in a press conference, along with the establishment of Johnny & Associates' new record label under Universal Music, Johnny's Universe, with King & Prince becoming the first artists to sign under the label. Their debut single "Cinderella Girl" was released on 23 May 2018. It was used as the theme song for the drama Boys Over Flowers Season 2 which stars member Sho Hirano. "Cinderella Girl" was a commercial success; it sold over 577,000 copies in its first week, making it the first debut single in over 12 years to exceed initial sales of 500,000 copies. This also made it the most commercially successful debut of the decade. By late-June King & Prince had become the highest earning new artist, with a total gross of ¥870,000,000. In September 2018, "Cinderella Girl" was certified 3x Platinum by the Recording Industry Association of Japan (RIAJ) for shipments of 750,000 units.

Following the success of "Cinderella Girl", King & Prince embarked on a nationwide arena tour titled King & Prince First Concert Tour 2018. The tour began in August at the Yokohama Arena with a sold out show to 15,000 guests. When the tour concluded, the audience totaled about 260,000 fans. On 10 October 2018, King & Prince released their second single titled "Memorial". The single was used as the theme song for the television drama Bukatsu, Suki Janakya Dame Desu ka? starring members KaitoTakahashi, Yuta Jinguji, and , Genki Iwahashi. Another song included in the single, "High On Love", was used as the theme song for the film You, I Love which stars member Hirano. "Memorial" sold more than 400,000 copies in its first week, and topped the Oricon Singles Chart. In the same month of release, it was certified 2x Platinum by the RIAJ for shipments of 500,000 units.

In November 2018, Genki Iwahashi went on hiatus to concentrate on treatment for his panic disorder. The group's management announced in February 2019 that he would rejoin the group and participate on their third single, "Kimi wo Matteru", but in March it was noted that he was to continue receiving treatment".

(Source: Wikipedia)