Eri Nakamura

Eri Nakamura is one of the summoned heroes. Betrayed her classmates to the demons. Used her original darkness magic "Soul Bind" to manipulate countless numbers of dead puppet soldiers. After she obtain the power of apostle, she became more powerful than before and able to manipulate Kouki using soul bind even without killing him. Died using self destruct power which is 'last loyalty' after knowing Kouki no longer being manipulated by her. After she died, she have a face to face communication with Suzu telling her she would have been better if she met Suzu first instead of Kouki during her childhood time.

After the manipulating Kouki to her side, she behaves just like her mother by being clingy towards Kouki.

Appearance
After obtaining the power of apostle, she grew wings.

Personality
In the beginning, she is portrayed as a calm and quiet girl. But later on, it is shown that she is very cunning and willing to take advantage of classmates for her gain. She has a very deep obsession on Kouki to the point that she is willing to kill him to 'soul bind' him and make him her puppet.

Background
She has a very tragic past whereby her father died saving her from an accident and receiving her mom's hatred after her father's death. It was mentioned that her mother loved her only because she is her husband's daughter. After her father's demise, her mother betrayed her father by finding another male as her partner but Eri's stepfather was later imprisoned due to assaulting Eri. This resulted her mother again blaming her for seducing her new husband.

Abilities
Necromancy: Bind Soul: Her personal magic which allows her to add memories and thought pattern into a corpse by using the remains of their spirit. This magic is usable for a short time after a person has died.
 * Being able to use a dead corpse (even when severally damaged)
 * Being able to control multiple corpses at the same time

Wicked Wrap: A dark attribute magic that obstructs the commands of the brain that is sent to the body thus making it impossible to move or react temporarily.

Mind Slip: A dark attribute magic that temporarily sealed the target's memory for a few seconds until the current time.

Apostle Abilities: After receiving the power of an apostle from Ehit she gained a massive increase to her powers as well as the subsequent ability to grow wing wings and fire their feathers like projectiles. She also gained the apostles power of Disintegration.

Relationships
Amanogawa Kouki - She see him as her savior and will do anything for him to be her's

Taniguchi Suzu - Even its a lie, at some point she considers her a true friend. Though she mostly only saw her as a tool to get close to Kouki.

Fellow Classmates - She only see them as pawns that to be included in her corpse army if not for the intervention of an irregular individual

Trivia

 * She is the fourth member of her class to die but the only one to commit suicide.