A classic visual novel about a demon-slaying ninja. Asagi was the strongest Taimanin in Tokyo, but after completing her last mission, she just wants to settle down and marry her lover Kyousuke. Her old nemesis has other plans, however, and creeps back from the dead to seek vengeance...
Asagi Igawa（CV：Hina Nakase）
This story's protagonist. The game takes place from her perspective.
Asagi is a Taimanin, a female ninja sworn to bury inhuman evils in the dark from which they rise. She is hailed as the strongest of all the Taimanin due to her genius for swordplay and martial arts, her unbelievable speed, and a string of accomplishments that speak for themselves.
Sakura Igawa（CV：Nana Aikawa）
Our heroine Asagi's younger sister is vivacious, beautiful, and often competitive, but has a certain soft spot for Asagi herself. Her genetics give her the potential to be a deadly ninja like her elder sister. However, in terms of practical ability, she's only an apprentice for now.
She yearns to put her natural talents to work for the greater good as a Taimanin, a future that Asagi is staunchly against. Sakura has nonetheless been pursuing her training in secret.
STORY
Tokyo is infested with demons, beings of darkness and corruption.
Rules from long ago dictated that humans and these dark beings were to no get involved with one another.
But that all began to fall apart as mankind grew more degenerate. At present, humans and demons collude to form gangs and even corporations.
However, those that still choose to walk the righteous path are far from powerless.
The government has formed the Taimanin, a group of warriors who, while human, possess the strength to fight against such nefarious entites...
Asagi Igawa is the strongest among all taimanins. After her last mission against Oboro, the defected ninja and the head of Oboro Ninja Troops, Asagi retires from her former glory to marry her lover, Sawaki Kyousuke.
Things take an unexpected turn, however, as her past nemesis creeps back from the dead, and seeks vengeance against her...
