7!! (Seven Oops) is a Japanese pop rock band formed in 2004 in Okinawa. Known for their upbeat sound and catchy melodies, the group blends elements of J-pop and rock with a youthful and emotional style. The band originally consisted of four members: Nanae (vocals), Maiko (drums), Michiru (guitar), and Keita (bass). 7!! gained popularity through anime theme songs and built a strong fanbase both in Japan and internationally. Their name, "Seven Oops," comes from a play on words in Japanese, reflecting a fun and lighthearted image.