You/ Kim Sooyun

You have your secrets. Your brother is Myungsoo aka L of Infinite but you are not blood related. He thiks you are adopted but only you and L's father know the truth. You call him father too. You and L are like real brother and sister and the rest of Infinite sees you as their sister too. You moved in to L family as you were 10 years old. You are two years younger than Myungsoo.

Kim Myungsoo aka L

He is your brother but not blood related. Thinks you are adopted. Is in a gang called Infinite.

Infinite

is a gang in Seoul

Sunggyu: The oldest and the leader. Has a little sister but she is older than you.

Dongwoo: Player but really cares about you

Woohyun: Player too but cares about you

Hoya: Dances always with you

Sungyeol: Others don't understand him but you do

Sungjong: You tell your secret to him but not all of them