There is provided an anti-cancer composition comprising an aquatic microbial extract, and there is more particularly provided an anti-cancer composition comprising a Bacillus sp. A propellant charge and an ignition means are provided behind each sub-projectile for the sequential ignition of the propellant charges so that the sub-projectiles are successively ejected from the barrel. When the power switch is turned on, a cover of the recording media is held by the movable grip so as not to be opened.