Reco is a bit too busted for Original and Maniac. There's waaay too many bullet cancels for a character with such huge range. I got my Maniac 1cc the first day I even tried the game. One of the easier Cave 1CCs (not counting Novice modes) for sure. Very frantic, I'll give it that, specially on God Mode, which I couldn't even get past Stage 2 even with all my bombs. I'll try and grab the Maniac 1cc for Palm in the near future.

The stages are beautiful and the music is amazing. Stage 2, 3 and 5 all have such beautiful presentation. The scoring is intuitive although the advanced stuff is, like in the original Mushihimesama, completely out of the realm of possibility if you aren't dwelling deep in the game (or reading a guide which is more likely).

Kinda weird how this is my first Mushi 1cc for now. I tried it on a whim and after getting to Stage 4 on my first credit it just made me go and get it since it seemed so on reach. It really is waaaaay too easy to just hold the fire button and stream all the patterns in the game, compared to the first Mushi and Futari 1.5; which again, God seems to solve.

Completed Original Mode with both Reco and Palm.

This version resolves some of the issues I had with the original (1.5 version) Futari, mainly the character balance, which is better here (also due to the fact that there are only two of them) and the laughably easy stage 1 and 2, which have been decently buffed in this version. In fact, basically everything got buffed in this version, including the playable characters (since they are an amalgamation of their Normal and Abnormal counterparts from the OG Futari), and this leads to even crazier moments and more intensity. Patterns are more intense and enemy composition has been slightly altered to offer more variety. The scoring system also got better, since you need to change your shot type less (and an added sound cue to signal when you need to switch) and you are even more rewarded for playing aggressively. The only added problem is an increase in slowdown, which was already present enough in the regular version, and this makes certain stages feel a lot longer (even though it adds to the chaos mentioned earlier).
This will probably become the main version of the game for me.