>Aya was not blessed with children and her husband was cheating on her, leading an unfulfilled married life. >Aya was overcome with sadness when her husband stood her up to watch the fireworks together, which they had promised to do, but one day, she ends up watching the fireworks with Risa, a neighbor she had been friends with for a long time. Aya was able to ease her loneliness by talking to Risa, but she was suddenly kissed by Risa.