The blue Villager represents Ayumi Tachibana, a young female character who wears a blue skirt.
The stage represents Marufuku Village, a small village that Ayumi travels to in Famicom Detective Club: The Girl Who Stands Behind.
The music track references the main title theme of The Girl Who Stands Behind, which features an energetic tempo and rhythm.
The Fog Hazard and the Smoke Ball items reference the mysteries in the Famicom Detective Club duology which Ayumi and the player must uncover.
Other trivia:
This spirit's Support type references Ayumi's role in the Famicom Detective Club series as the player's assistant.
This spirit's Improved Escape ability references how Ayumi drugs the player in order to pursue a suspect in The Girl Who Stands Behind.
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Famicom Detective Club Part II: The Girl Who Stands Behind (Disk System)