How you find them depends on where you are right now.

[ she states, while using their video call as a mirror by using her pinky fingernail to pick a booger out of her nose. this is the girl you're crushing on, ekko. are you having second thoughts? ]

If you're buzzing near the Inn, it'll be on the West north side of town. You head West first and then keep going North 'till you come across it.

[ as she successfully gathers the snot out of her left nostril, she flicks it off to the world of unknown. ]

You'd be a reeeeal dummy if you miss it with my foolproof directions. And if you get lost, I'm not coming to save you.