I have seven older brothers

The female protagonist's older brothers are BTS, that is, the seven older brothers, and Kim Nam-joon, Kim Seok-jin, Min Yoon-gi, Jung Hoseok, Park Jimin, Kim Tae-hyung, and Jeon Jung-kook. Also, Wanna One, that is, the 11 members, Yoon Ji-sung, Ha Sung-woon, Hwang Min-hyun, Ong Seong-wu, Kim Jae-hwan, Kang Daniel, Park Ji-hoon, Park Woo-jin, Bae Jin-young, Lee Dae-hwi, and Lai Guan-lin will appear. And many idols such as Seventeen and Twice will appear.