Stand: Basket Case  
User: Sour Sweet  
Namesake: Basket Case (Green Day song)  
Manga Debut: Dawn of the Games! (silhouette) Archery Battle chapter 3 (Full appearance)
 
Stats  
Destructive Power: C  
Speed : D  
Range : E (Later A)  
Durability : C  
Precision : B  
Developmental Potential : C
 
Appearance  
Basket Case is a humanoid, shadowy stand bound to its user’s shadow. It has its user features, albeit more exaggerated.
 
Ability  
Basket Case main ability was to stole other people psychological balance, which was manifested in the real worlds as their “shadows”. People whose “shadows” are being extracted slowly lose their sanity, and when the process is completed, they will become mad. This process is reversible should Sour granted the “shadow” to comeback to its owner. Sour Sweet horde these “Shadows” in order to balance her own self, who were suffering from several problem mental on her own.  
Later on, Sour Sweet figure out a way to attach the stand into the shadows of object that she had a bond with, such as her archery gear arrows, increasing its range stats from E to A.