Chomei is too weak

Bleed wouldn't make it much worse, because it would penetrate through destructible defense or damage reduction. It could still have an extra feature if used on a paralyzed enemy. I even think that it should paralyze the enemy it's used on for 1 turn or instantly increase their skills cooldown.

Also his Bug Bite healing skill is very chakra heavy, especially if only his head remains. It should definitely have an additional feature, maybe making the enemy unable to be healed past the health it ends up having.

Bleed gets canceled out easily by healers. Yes, you are correct about it going through things but nowadays people are running healers to stay consistent in the game. Which it is a dangerous call for the time being making Choumei’s numbers even worse.

The Bug Bite healing costs only 1 genjutsu for 35 health. It’s good as it is. The character alone skills all cost genjutsu which makes genjutsu pulls so much easier thus making Choumei have consistency. With the tails, you can do 30 to 50 piercing damage on turn 1.