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
...