Little Ninja Mabushi lived happily with his girlfriend Miyuki, and nothing could stop the sun from shining when he was wearing his precious sword, which he only used to maintain peace...until a dark figure crawled out from the shadow. The evil Gorbazaki, who was jealous of Mabushi, stole his sword and kidnapped Miyuki when he was asleep! Mabushi is determined to get his girlfriend back, swordless style!