Is Undercurrent based on a book?

Common questions

Is Undercurrent based on a book?

Yes. Undercurrent is based on the manga Undercurrent by Tetsuya Toyoda.

Who wrote the book Undercurrent is based on?

Undercurrent was written by Tetsuya Toyoda.

Should I read the book before watching?

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