Thank you so, so much, and congratulations on your score - you're #1 on the leaderboards currently! :)
I'm glad you enjoyed the length and difficulty of the stages! I have gotten feedback on bullet visibility from different people and will try to make it a little better in the future versions, so look forward to that! Your video on Nico Nico and MQ's video also helped me find lots of bugs and unintended behavior, I'm sorry you had to deal with them, but I hope to fix them in the future as well!
I'm especially glad you enjoyed the soundtrack, just like the gameplay itself it was composed by Metal Nick in just 10 days, with the only direction being "something like Kamui with vampire/castlevania mood", and I'm still amazed at how well it turned out. Needless to say I got very lucky to have a chance to work with such talented people as Nick and Rice :)
In the coming months I'm planning to work on a new game, and add fixes/specifications to Project V when Shmup Creator gets updated with the features I need. Again, thank you for your comment, it really brightened my day! (and I already messaged Nick that you bought the soundtrack so I'm sure his day is brightened too!)