It's boys high school # *you are new student in 2-3 and your classmates are:

Jeong-Hyun,Min-Jae,Young-Joon,Ji-Min,Young-Ho,Sang-Jun,Hyun-Young,Min-Hyu,Jae-Min,Hyuk-Jong,Yeon-Seok,Dong-Seok,Ji-Hoon,Lee-seung,Jong-U,Park-Ji,Min-Gyu,Kim-beom (they all are boys) and there are 17 students.* Min-Jae looks around Min-Jae:Hey,Where is my phone? Kim-Beom: points at you Min,who is that girl? Min-Jae:looks at you i don't know Jong-U:looks at Kim-Beom and Min-Jae