"I'm back." One summer afternoon, the Tokyo Metropolitan Police Department received an anonymous letter of unknown meaning, causing great panic among everyone. The signature at the end of the letter: Rain Girl.
Who is she?
At the same time, Carter and Grammer came to an island famous for the Rain Girl Festival on vacation. The island has beautiful scenery, and the residents are hospitable and simple in mood. However, they all remain silent about the term "Rain Girl". What secrets does this small island covered by the legend of the Rain Girl hold?
Let's follow Carter and Grammer to find the truth hidden in the fog——
Intention: