This page explains how to solve the quest "But I PROMISED" in Yo-kai Watch.

Start the Quest

A girl and her mother are facing each other in Blossom Heights, in the Doughnut Hill area. Talk to the girl to start the quest.

Let us go, mom!

Talk to the girl's mom to find out why she won't let her daughter go.

Deal with the Yo-kai!

Use the lens to find the hidden Yo-kai nearby. There is a Blowkade hidden nearby. Talk to it and defeat it.

Talk to the daughter!

Talk to the girl to complete the quest.