Nightshade

Thanks to an age of constant war, the Iga and Kouga had independently achieved an expansion of their respective forces. Both shinobi forces, owing to that long history of warring, shared an antagonistic relationship of mutual hatred towards one another. However, during the ninth year of the Tenshou era, the Iga forces fell into ruin due to the Tenshou Iga War started by Oda Nobunaga. The few Iga members that had survived were taken in by the Kouga forces. Seventeen years later, the Sengoku period had ended and lasting peace came to the world. Dreaming of performing shinobi duties, Ueno Enju (the protagonist), daughter of the Kouga forces' leader, Ueno Kandou, had been training everyday. After finally being selected to go on her first mission, a major incident occurs. It not only derails Enju's fate, but the fate of the village as well... [Translation of the official website's story summary.]

In an age of constant war, rivaling ninja clans Iga and Kouga effectively expanded their respective forces. Due to that long history of warring, both clans dwelled in their hatred towards one another. However, during the ninth year of the Tenshou era, the Tenshou Iga war, led by Oda Nobunaga, destroyed the Iga forces, leading the members who survived to be taken in by the Kouga Clan. Seventeen years later, Sengoku period had ended, lasting peace came back to Japan and the Iga and Kouga clans totally merged together. Dreaming to be a full fledged shinobi and perform in her duties, Ueno Enju (the protagonist), only daughter of Kouga clan's head Ueno Kandou, had been training everyday. Finally chosen for her first mission, she departs with her ambitions in mind, unknowingly setting her fate in motion : an incident occurs, which could very well be a turning point for Enju's life, and the village's as well...