A strange young man kidnaps children after his promise is broken by the resident, Hamelin. For doing his demonic doings, he became a famous legend in the town.

You, who is an adults, wouldn't be the target of that stupid kidnapping, right...

I'm sorry, but you have to let yourself be kidnapped by me.

hypnotic flute sounds

I will still kidnap you even if you don't want to.

After that, your vision fades. When you wake up, you're notice you in underground hideout

You're awake.