How to finish Customer attraction quest?

In the "Customer attraction quest?" quest you are task to find where the yokai lurking around everymart

you can find the yokai in the empty parking spot

when you find the board you will need to do a quiz

just go cancel and whisper will you the answer

Hungramps was the answer for me 

after answering the board quiz go home to your kitchen and you will find Hungramps there

give hungramps a plum riceball if you have one or just buy at the shop and he will be your friend 

go back to the hot spot near the shop and let hungramps do his thing

go to the shop and you are done

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where is the yokai lurking near matt?

In the "Matt dont give up!" quest you are task to find where the yokai lurking around matt

you can find the yokai just beside the soccer net just investigate there slowly

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