From the developer of Cosmo Dreamer and Like Dreamer, "Outside", this is a fantastical and comical boss-rush bullet-hell shooting game remade from a free game. Both beginners and experts can enjoy the intense boss rush!

Science, magic, and various races coexist, and various species coexist, sometimes bickering, sometimes seeking each other out. Many large-scale wars have passed, The planet is now showing an average level of calmness. The Redneg's leader, "Bell Nibiru", has taken over the planet. The idea was to make the barrage warfare, once reserved for wars, into a competition. To achieve peaceful and intense fighting, She was a believer in science and opened up the field of computer-simulated. She unveiled a computer-simulated barrage. "The battle to hurt and rob is here to die! You who hunger for struggle! From now on, in this virtual world Let us compete with each other in a pure and righteous manner!" The name of the simulation program is "Bullet Bell Game". It was the very battlefield reproduced in the sea of electrons.