I'm serious,

1) Introduction

김여주

19 years old/couple with Park Jimin/easily hurt

박지민

19 years old/Couple with Kim Yeo-ju/

전정국

19 years old / Friends with Kim Yeo-ju and Kim Gyu-ri for 9 years / Friends with Park Jimin for 4 years

김규리

19 years old / 10 years with Kim Yeo-joo / 9 years with Jeon Jung-kook / 4 years with Park Jimin