The following are Mysteries solved by the cast of Hyouka, especially, Houtarou Oreki. These are large mysteries that spans an arc at the very least.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.