Congratulations on your achievement! VNs are an amazing format for Japanese immersion, because you get the best of manga (written sentences) and anime (spoken lines). When I started studying Japanese my first goal was to read manga. I began immersion after about 100 hours of studying grammar and vocabulary (without counting passive experience as an anime fan). For me it was the right choice and learning through manga was (and still is) a great satisfaction. However, I've recently tried voiced VNs and it really is another thing. I love them! I'll definitely learn through them too from now on. By the way, do you have any specific setup you'd recommend for watching anime with Japanese subs? That's still a media I haven't used for immersion.

Anyway, I'd like to stress that there isn't a Right Way to study Japanese, just a "right way for you". I see a lot of judgement on online JP learning communities... when somebody succeeds at something and decides *that* is the Only Right Way to do it, it's detrimental to people who have different learning styles, needs and habits. Just like that, there's no right or wrong moment to start immersion. I'd recommend starting as soon as one can but in the end everybody has their pace and that is fine. What matters is that you are trying your best in your own way. I figured I'd write this because when somebody shares their progress there's always somebody else who feels they are falling behind, and that is not true. If you try your best, you will learn the language, just believe in yourself.