J-Buster is a weapon developed by Doctor Fujimura, it was alternatetively called Alphabet Gun due to having all 26 mode from A-Z.
Acceleration-Mode: A railgun
Buster-Mode: A beam gun
Cluster-Mode: A cluster shell blaster
Drill-Mode: A drill bullet
Electron-Mode: A paralyze bullet.
Flame-Mode; A flamethrower
Genocide-Mode: A bio gas.
Hope-Mode: Hope Field, a weapon which imitate the Precure power of hope
Invade-Mode: A parasite that invade the enemy and rip them out from inside.
Kinetic-Mode: A bullet contain very high kinetic energy
Jacket-Mode: A very heavy fortified ammo that was very slow, but can eject it outer shell to increase it own velocity to ludicrous ammount
Lancer-Mode: A lance
Maximum-Mode: A high energy version of B-Mode
Net-Mode: A very durable net
Omni-Mode: Bullet than can strike every direction
Pre-emptive-Mode: A stealthy bullet that strike enemy before they relied they're being attack.
Sattelite-Mode: A laser beam that cause another beam to strike enemy from above.
Tactical-Mode: A highly-explosive bullet that can affect wide area
Ultra-Mode: A very big bullet
Vortex-Mode: A vortex of energy that suck many enemy into it
Warp-Mode: A warp bullet
X-Mode: A bullet that strike the enemy at four place at once.
Y-Mode: A bullet that strike enemy from the past
Zetsubou-Mode: An imitate version of Zettai Zetsubou Field.