It"s not...something you should say... 

You always bring women home... 

Jeong-soo is far from getting his grades up after he breaks up with his girlfriend so his father gets him a tutor (Yoo-jin). 

Let"s go to your room to study. 

Jeong-soo thinks Yoo-jin is just one of his father"s many women and she approaches him with kindness. 

Ordinary love...like everyone else.... 

Jeong-soo wasn"t good at ordinary love and starts getting special lessons from Yoo-jin. 

As they get closer, he feels something lingering in his heart...