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15:32, 16 November 2015 {{Quest Infobox
|image=
|Type=[[Favor]]
|Number=
|Icon=
|Story=[[Chapter 11]]
|Watch Rank=
|Time=Night
|Weather=
|Requirement=
|Location=[[Breezy Hills]]
|Reward=$33.00
|Yo-kai unlock=
|Target Yo-kai=[[Undy]], [[N’more]], [[Infour]], [[B3-NK1]], [[Espy]], [[Sushiyama]]
|Required items=
}}
[[Prankster Problem]] is a [[favor]] in [[Yo-kai Watch]].
==Guide==
*To start, talk to an old man on the riverbed to the west of [[Rolling Waves Park]] in [[Breezy Hills]].
*He tasks the player to defeat 4 to 5 [[Undy]], [[N’more]], [[Infour]], [[B3-NK1]], [[Espy]] or [[Sushiyama]] found at [[Springdale Elementary]], [[Tranquility Apartments]], and the museum.
==Tips==
[[Category:Favors]]