❝I will leave, but only after you do your job correctly.❞ After Elsa died a few years ago, to her and to everyone's surprise, she turned into an immortal. But nevertheless, she took advantage of it and she enjoyed her new life by traveling around the world by herself. But... that's only for a year. One day, North cannot hold his anger anymore because of Jack. He wouldn't do his job seriously and correctly because of an unknown reason, and so North assigned Elsa to help Jack. Elsa does her job nicely. She helps Jack remember things he should do, stops him from wasting his time, and teaches him how to value time. Meanwhile, Jack always gets pissed because Elsa won't leave him alone, even though it's what she's supposed to do. She would always accompany him everywhere he goes. But that was what Jack never wanted, because every night, he has to meet a certain someone. What will happen between them?