>>717050363If the anime left you eager for more, then yes. Even if you remembered the anime vividly, there's still enough extra content to make the VN worth it. Some of which will leave you guessing, and at least one scene of which clears up a plothole the anime left by rushing through the story.
If you are someone who thought the anime was too slow, then no. By comparison, the VN would leave you begging for them to pick up the pace.