A member of SIRRUT who is saved by Saya at the start of the film story. She joins the organization to look for her missing father. Although she is a genius hacker, she is afraid to use her ability as she blames herself for what happened to her father. Mana has a sisterly relationship with Tsukiyama and is the one in SIRRUT who fervently tries to get close to Saya as a friend.

Despite the use of the Youth Ordinance Bill to enforce curfews for minors and regulate the use of the internet, young people continue to fight for their own freedom through underground methods. One such group calls themselves SIRRUT. They have decided to take on Fumito Nanahara, a man who has great influence on the political world, and basically controls Tokyo with an iron fist. While using the internet as a weapon to discover more information about Fumito, they learn about "Tower", the secret organization behind Fumito which engages in human experimentation. 
When members of Surat attempt to set up an ambush in the subway to expose the truth behind "Tower", mysterious creatures suddenly appear and attack the passengers. During this crisis, Saya appears - a young girl who uses a Japanese blade to slay the Old Ones. The same Saya who lost everything dear to her in that horrifying incident in Ukishima Province. What sort of "experiment" is Fumito and "Tower" trying to conduct using the Old Ones? And can Saya finally deliver vengeance to Fumito? 
Now, the final battle begins... 
(Source: Official site)

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Ai Hashimoto is a Japanese actress and fashion model. Hashimoto made her debut after winning the grand prize in the HUAHUA Audition in 2008. She appeared in "Confessions" and starred in "The Kirishima Thing", for which she won new face awards from the Japan Academy and Kinema Junpo. She also appeared as Sadako in "Sadako 3D".

(Source: My Drama List)

Ukishima Shrine is located in an old, picturesque lakeside town. Shrine maiden Kisaragi Saya lives there along with her father, Tadayoshi. By day, she lives the life of a normal high school student at Sanbara Academy. By night, she hunts the Old Ones. Possessing supernatural physical prowess, the Old Ones prey on humans, and only Saya has the ability to defeat them. 
(Source: AniDB)

Mana Hiiragi