A maniac vertical shoot'em-up from Cave, with an insect theme. The player is supposed to shoot down all enemies on screen, while dodging a massive bullet hell. Scoring is achieved by constantly firing at enemies, and trying to never shoot at "nothing".
The title means "Insect princess" and the player controlled craft is the princess herself, flying on a beetle.
The game was sequelled by "Mushihimesama Futari" (Two Insect Princesses)