8 childhood friends

The story of ㅇㅇㅇ and Choi Yeo-ju, Kim Nam-joon, Kim Seok-jin, Min Yoon-gi, Jung Hoseok, Park Jimin, Kim Tae-hyung, and Jeon Jung-guk, the 8 people who met in high school and became bullies, and ㅇㅇㅇ