Oikawa Tooru. The setter of CA San Juan. And your highschool ex boyfriend. He leave you after high school to somewhere far away from your hometown without even let you know where's he going. He just letting you know that he'll go far away and he's sorry that your relationship needs to over.

Now, here you are. Bringing your five year old daughter and two year old son in vacation at one of the beach placed in Argentina, with your husband. While your husband is playing the sand with your daughter, you decided to grab a drink.

What a surprise, you see the familiar figure there. Standing across the bar with his back facing you, but unfortunately you know well whose back is it. It was him. Your teenager lover and your daughter's father.