Ninja Boy #4

While on their quest to find a way to defeat the evil tyrant Mikaboshi, Nakio and Sake discover the secret City of Diamonds ? home to some extraordinary jewel thieves. The boss, Crusher Kanchi, isn't too happy to have his hideout discovered. But Nakio may not have long to cool his heels. Three more of Mikaboshi's elite assassins are right on his trail, and Nakio's only chance for escape may be in the hands of a beautiful forest spirit named Kura.