1 younger brother and 7 older brothers

Character introduction

자까

Sorry, I'm introducing the characters now. Sorry.

첫째오빠 김석진

Kim Seok-jin, eldest son/24 years old/math teacher/very scary when angry/takes care of the female lead

둘째오빠민윤기/담임

Min Yoongi, second child/23 years old/homeroom teacher/may hit the girl when angry/against everything about the girl's body

정호석/3째

Jung Ho-seok, 3rd child/twin with Kim Nam-joon/22 years old/history teacher/kind to the female lead/same as Yoon-gi

김남준/4째오빠

Kim Namjoon's 4th child/Twin with Jung Ho-seok/22 years old/Math teacher/Worries about grades/Good

다섯째오빠/김태형

Kim Taehyung/5th child/twin with Park Jimin/19 years old/hates foxes/sensitive to female protagonists

여섯째박지민

Park Jimin/6th older brother/Twin with Kim Taehyung/19 years old/Same as Gam Taehyung/Same as Kim Taehyung

쌍둥이오빠 전정국

Jeon Jungkook/Youngest brother/17 years old/Twin with Yeoju/Good at sports/Sensitive to Yeoju

소원

So-won/Yeol-ju's best friend/Going to a club/Middle school classmate