Natsumi (Kie Kitano), an art college student, has been living a listless life without going to university after her boyfriend Kakeru (Jingi Irie) suddenly goes abroad to study. Then one day, alone in her apartment, she picks up a sketchbook, it was something she received from her grandmother's belongings when she was little. She starts drawing without thinking, and to her surprise, it's a magical sketchbook where what she draws comes to life...