One day getting off work late, Miso is irritated and goes for a shopping. Sitting on the bench to take a closer look at her new luxury bag, she happens to gaze at a girl eating ice cream. After licking the whole ice cream, the girl stares at Miso and sticks out her red tongue. Girl's candy red tongue. At that instant, Miso imagine that her tongue is dirty so hurries home with her mouth closed. As soon as Miso arrives home, she throws aside her new bag and walks into the bathroom. The door is locked tight and she is about to check her tongue in front of the mirror. Miso is tense, puts out her tongue carefully. Is Miso's tongue dirty?