My name is Usami Renko. I'm just an ordinary college student. ♪

Today I'm on a trip for my university club activities.

Together with my partner, Merry, we're in a mystery exploration club called the Secret Sealing Club.

We spend my days and nights visiting various mystery spots.

...Umm?

...What are you doing, Merry? Why are you talking to yourself like that?

Ah, Renko must have been lost in thought while looking out the train window!