News have it that EXO's Kai and f(x)'s Krystal has already ended their relationship which lasted for one year. The reason behind it is said to be due to their busy schedules. The newly split up couple started dating each other during the early months of 2016.
As soon as the news regarding their relationship has been confirmed, it is said that the two always had tried their best to make time for each other. The two were even commended to be perfect fits for each other due to the similarity in their physical looks, hobbies and interests.