SMAP was regarded as an iconic group in Japan, after achieving an unprecedented level of success in numerous genres in the entertainment industry, including music, television, film, radio, and theater, as a group and individually. SMAP was credited for changing the Japanese entertainment and music industry, in terms of prolonging longevity of boy bands and broadening careers by creating new opportunities for bands that followed. After starting out as a typical boy band, with a fan base predominantly female teens, they gradually transformed into a band with a wider audience, expanding their fan base to preteens, male adults, and even the elderly, after their success as actors and television personalities.

SMAP released 55 singles, all of which reached the top 10 in the charts, 22 consecutive number-one singles, and 33 number-one singles in total. The band has had 24 top-10 albums and 14 number-one albums. "The One and Only Flower in the World", released in 2003, is the best selling single in the 21st century and the third best selling single in Japanese history[4] and has become the most recognized song in Japan,[citation needed] as it appears in text books used in school and children are taught to learn the song at a young age. Other best selling singles by the group include, "Beyond the Night Sky", "Lion Heart", "Shake", "Aoi Inazuma", which also have become some of the most popular songs in Japan. Throughout their career, the band has sold over 38.5 million records in Japan alone.[5][6

問題文は日本語にしてください。選択肢は英語のままでお願いします。

質問は英語に直し、使用する英語はCEFR C1レベルにしてください。またTimeは10にしてください。