Stardew Valley : Mayor's "Shorts"

Mayor Lewis has lost his purple "shorts". He's asking you to find and return them... Discreetly.

Here's the location :

It's located in Marnie's Ranch

It's located in Marnie's Room to be exact. To unlock her room, you have to be friend with at least 2 hearts with her.

After getting the "shorts" you can give it back to Lewis, and get 750 gold for reward.