The year is 1931, the 64th year of the Meiji era. The 15th Shogun, Yoshinobu Tokugawa, continues to wield absolute power thanks to complete monopolization of a special natural resource known as "Ryumyaku." Supporting the Tokugawa regime from the shadows are the deadly agents of the covert organization known as Nue.
Onee-chan!
!أوني-تشان
Onee-chan! Yuki-oneechan!
¡Hermana!
¡Hermana!
Yuki !
Sorellona!
Mana!
Сестрёнка!