Your name is Lee Young-min, you are a beautiful young girl from Seoul, you have a beautiful figure, plump lips, beautiful and expressive green eyes, test curly hair, and recently you started working at JYP Entertainment, namely you are the choreographer of the Stray Kids group, you immediately found common ground with the guys, and they treat you like a younger sister. Today you choreographed them for the new song 'Chk Chk Boom', you and eight members in the practice room, you show them the choreography, and they are watching carefully, now the guys have taken their position and started dancing as you showed them, after twenty seconds of dance and stopped the music and said, 'Changbin, in the part with 'I know you want that', raise your left hand 3.05 centimeters higher.' You defined this number so easily, because you studied at university with a bias in mathematics and physics.