Summary of all major events
1-Ratatoskr Yggdrasil Black Ops Team vs DARPA/Charon LLC Ghosts (Operation Exorcism vs Operation Final Valentine)
Outcome: Operation Exorcism success, DARPA vice-chief, Kenny is murdered by Majestic, DARPA chief is murdered by Spectre.
Tenno's holiday starts and joins Majestic leader and member, Nanaya/Nanoka Kyo and Ward Herstel in their operations against DARPA's abominations. Tenno controls lightning while Ward controls wind.
Yggdrasil carried out the operation without the knowledge of Fraxinus' crew and Ratatoskr agents in the area. Shido dated Miku first one week in advance due to her busy schedule on the weekends of Valentine's Day. His dating schedule with the Spirits goes by Kaguya, Yuki, Yoshino, Yuzuru, Tohka and then Kotori.
Spectre (Arashi) was cloaked 24/7 in the Mercurial-AR unit. He managed to hack into Ghosts' comms and take out nearly all agents by the day ended. Yggdrasil's plan however is foiled by Jaren Steel's sudden decision to have a team of agents to call him personally at his shift at night. The agents did not call due to Spectre knocking all of them out cold. Jaren and Booker simply charge towards Shido and Kotori in which Jaren simply fires the taser to knock Kotori out cold while Booker takes Kotori towards the black site on a stealth flying module.
Jaren also fires his blade from his arm to impale Shido onto a wall and engages Spectre who reveals himself. Eventually, Spectre uses his power with the Hale pistols to defeat Jaren's nanomachine augmentation. Jaren attempted to suicide with built in kill switch, but Spectre again extracts information on Kotori's whereabouts from Jaren with his power before the aug exploded.
Spectre then flies to the black site which is met with immediate resistance with the zombified artificial Psychics, Wraiths used by Charon LLC, which they killed Booker Lautrec. After Spectre finished destroying the Wraiths, Kenny Daniel appears, powered by the nanomachines and Spirit powers, engaged Spectre. In the meantime, Majestic has launched their attack on the base at Virginia, consists of Kyo, Tenno and Ward, begin engaging Kendrick ahead of the attack schedule by Yggdrasil's team that is going to be led by Dante.
Spectre manages to kill Kenny by draining his Spirit powers and render his nanomachines unable to regenerate while Majestic killed Kendrick with Tenno overloading the nanomachines and Kyo moved in for the kill. Spectre rescued Kotori and returns her to the Shido's home. To the surprise of Fraxinus crew, they had no idea they are being targeted and only learnt about Spectre's identity as Yggdrasil's operator.
2-Spectre's identity exposure to Mana
Outcome: Mana learnt of Spectre's identity, Nanoka Kyo escaped.
Spectre recklessly engaged Kyo on his own when he learned that the Fallen Spirit is being chased by DEM. Kyo not only murdered his chasers, he also managed to hypnotize Spectre causing him to fight against Mana who appears later.
After Mana destroyed his visor and sees his face, the hypnotized operator cuts himself in the neck. Which fortunately he was saved, and he had to explained to Mana later on why he had to go undercover.
3-Spectre vs Tenno
Outcome: Tenno is killed, revealed to be a renegade
Tenno was stationed at the Mediterranean Sea due to the intensity of attacks carried out by Yggdrasil. He managed to capture Mana on his own, he was going to turn her to DEM and Majestic, forcing the Black Ops team to operate. However, before Ellen arrives the site, Tenno murdered everyone except Mana and causes a massive lightning storm.
He reveals his true allegiance to Westcott and forcing the CEO to send Ellen, albeit they had to wait for the storm to subside. While Arashi simply goes to the site ignoring the danger posed by the weather condition. He is surprised to find that all DEM Wizards are dead at the site. Tenno revealed himself to Arashi and called his name out.
He engages Arashi, revealing his betrayal to Kyo and his struggle. He defeated Arashi, calling him to use his true untamed power. In which Arashi lost all control and uses Nevermore-AR, Nevermore-AR's combined with Arashi's death powers prove to be a deadly combo in taking down Tenno. Tenno gives Arashi a data drive which contains all the information about Majestics. He then begged Arashi to free him, which the real Nanaya Kyo appears and call upon Azrael and Ithereal to free Tenno's soul from the corruption of Burning Hells.
Arashi escaped the site with Mana, Majestic later arrives on the site, while they engaged Ellen's forces, Kyo destroys Tenno's body.
4-Yggdrasil/Syrian Rebel vs DEM/Syrian Loyalist in Syria
Outcome: Yggdrasil victory, DEM forces driven out of Syria. Nanaya Kyo agenda revealed.
Dante, Mana and Arashi would joins and all out attack with the rebels and drives DEM out of Syria. Kyo appeared to attack the trio and Ellen, they made it out alive albeit Dante was severely injured by Kyo.
Nanaya Kyo then appeared to Dante, Mana and Arashi and reveals on how Nanoka Kyo is going to break the balance of everything and how he can get back his body.
5-Summer Break
Outcome: Mercurial-AR destroyed, Spectre's identity revealed to Kaguya and Nanoka Kyo.
Dante, Mana and Arashi would join Shido and the Spirits for their vacation at an island beach. One day the Spirits were attacked by a doppelganger of Arashi created by Kyo. Arashi managed to defeat the doppelganger, but at the cost of the Mercurial-AR.
Kyo deduced that Spectre is Arashi, while Kaguya caught him without his eye bandage. The lovers embraced each other for a moment and Arashi explains to Kaguya what had happened.
6-Arashi vs Kyo
Outcome: Spectre identity revealed, Arashi reacquiring his powers and rebirth. Nanoka Kyo, Lucifer's and the surviving Majestic members' death. Nanaya Kyo's rebirth, Yamai's true identity revealed.
Kyo and the rest of the Majestic launched their attack on the group. Kidnapping Shido, Yuki and Yamai Twins, Kyo engages Arashi and left him a cryptic message "I already know who you are, come to where it all began".
While Yggdrasil and Ratatoskr are plotting on how to handle it, Arashi flies on his own, disabling all transponders and communication devices to prevent himself being followed. He flies to an island mansion and engages the Majestic member, he killed all of them while sustained some injury.
Kyo appears shortly after Arashi enters the mansion and see them contained in a Spirit containment unit. The two engages a fierce battle which Kyo destroys Arashi's visor, revealing his face to Shido and Yuki. Nanoka Kyo then reveals how he and Arashi can rule above all humans and Psychics and their god king, he already betrayed the Emperor of Hell by imprisoning him within. He intends to start the Hell's invasion after 3 years and kill all the forces of Hell. Starting a new cycle such that both Heaven and Hell cannot invade into the world. While he gather all psychics and force all humans to do their bidding. He also revealed why Arashi loves Kaguya, the two knew each other since young and Kaguya was a Psychic, the clan had placed both Kyo and Arashi under the care of Kaguya and Yuzuru's mother until they were murdered by Spirit Hunters.
While Arashi used everything he could, he cannot match the already mature power of Kyo combined with Yamato, the Emperor's sword. His left arm got cut off and killed by Kyo impaling a sword at his chest. Seeing this sight, Kaguya and Yuzuru goes inverse due to their crystal being linked. Arashi begged Azrael to return him Nevermore and all of his powers just to defeat Kyo, when asked "You already gave your life before, you cannot give it again." Arashi answered, "I sacrifice my very own existence, I'll die and walk the dark void alone."
Azrael grants his wish, reviving him into what he was, Nevermore is reborn, and Arashi, Yuki and Nanaya Kyo regains the Eyes of Death. The sheer force of awakening knocks Nanoka Kyo out cold and Arashi works with Shido to bring both Kaguya and Yuzuru back to normal with a kiss. The Nanaya siblings and Shido then work together to bring down Nanoka Kyo. Nanaya Kyo manages to kill the soul of Nanoka Kyo and enters his body, while the soul of Lucifer begins to flood his body. While Kyo wrestles Lucifer from within, Arashi cuts open Kyo's chest to extract the soulstone. Arashi managed to extract and destroys the soulstone, but lost his right arm in the process.
Arashi would fall into a deep coma for weeks, his arms were recovered and attached back to him. As per his promised sacrifice, he dies in bed as he has managed to complete his task. However, when communed to Azrael, it is revealed that the heaven wept at his sacrifice and deemed Arashi a trustworthy ally, thus returning him to life again. The Nanaya sibling would continue to live on with Arashi still dates Kaguya and he along with Kyo now joins the Black Ops group of handling Psychics, who are now targets of Burning Hells.