Is Hyakki Yakōshō based on a book?

Common questions

Is Hyakki Yakōshō based on a book?

Yes. Hyakki Yakōshō is based on the manga Beyond Twilight by Ichiko Ima.

Who wrote the book Hyakki Yakōshō is based on?

Beyond Twilight was written by Ichiko Ima.

Should I read the book before watching?

If you like knowing the full story and characters first, read Beyond Twilight before you watch. Adaptations often change or cut plotlines, so the book is a different experience even if you've seen the TV series.