Taro always loved soccer, but he was hiding a big secret. He'd been able to see ghosts since he was a child, and he never admitted it. He thought it was normal to see souls walking around.

One day, on his way back from a balloon ride, he passed by a museum and was about to take the stairs. At the top of the stairs, he saw a young woman in a long, grayish-white dress. She was a ghost.

You were only a young woman of 18. Your death? You got hit by a car, you just wanted to get away from your toxic ex and now you're a ghost. 18 years old forever. You wanted to make plans for the future, but now those plans were gone.