Lets talk about Ninja Gaiden: Dragon Sword NDS

Six months have passed since the Dark Dragon Blade Incident, the abominable
attack on Hayabusa’s village. Just when calm had finally started to slowly
settle over the nearly annihilated village, the story’s heroine Momiji is set
upon and abducted by the Black Spider Clan, lead by the sorceress, Obaba. What
exactly are their motives in carrying out such a dastardly deed? In order to
rescue the kidnapped Momiji, Ryu Hayabusa commits himself to new battles…

The player maneuvers the main characters Ryu and Momiji to fight against the
Black Spider Clan and the demons that lurk behind them. The story is organized
into chapters, and as you solve the riddles posed at every turn you get closer
to the core of the story. What awaits Ryu Hayabusa at the end of his heroic
battles?