Wataru Kurenai, a boy withdrawn into himself and confined by his own fears, finds himself thrust into a war against the Fangire. He becomes Kamen Rider Kiva, a struggle inextricably linked to a conflict that occurred two decades prior.

In 1986, Yuri receives the assignment to safeguard a violinist deemed vulnerable to a Fangire attack – a student of Wataru’s father, Otoya. Simultaneously, in 2008, Wataru persists in his quest to replicate his father's legendary violin, a …

In 1986, Oyoya engaged in fleeting encounters with several women before Yuri’s arrival, at which point they were beset by a Fangire. Otoya demonstrated considerable skill in repelling the creature, capturing the attention of Yuri’s employer…

In 1986, Yuri presses her inquiry into Otoya, relaying her findings to Shima. The latter ultimately decides against welcoming Otoya into their ranks. Years later, in 2008, Wataru strives to make amends for his father's transgressions. Howev…

Following an embarrassing attempt to win over his neighbors with a violin, Wataru earnestly asks Nago for assistance in cultivating confidence. Nago assigns him the task of shadowing Megumi as her protector, but Wataru soon discovers he's p…

A strange and predatory creature, a Fangire, targets mother and daughter across time. In both past and present, Otoya and Wataru find themselves compelled to protect their loved ones, racing against the creature's desire to claim them as hi…

In 1986, Otoya joins Yuri in shadowing Jiro, seeking to uncover the fate of vanished patrons from Mal d’Amour. Then, in 2008, following her discharge from the hospital, Megumi asks Wataru on a date as a pretext for investigating Maison Cerc…

Megumi strives to divert Wataru's gaze from Nago, wary of the potential for manipulation, as the inquiry into the French restaurant deepens. Meanwhile, in 1986, Otoya endeavors to unravel the puzzle of the cafe victims while Jiro persists i…

In 1986, Yuri and Otoya grapple with the unsettling mystery of a cursed violin, one that seems to summon a monstrous presence targeting its owners. Meanwhile, Wataru seeks the counsel of a luthier, striving to craft an instrument that truly…

The revelation of Oomura's promise, made twenty-two years prior and his past connection to Wataru’s father in 1986, spurred Otoya to confront Jiro about the grotesque change he had witnessed. While trailing him and Yuri, Otoya unexpectedly …

In 1986, Wataru encounters rock music while assisting a musician with his band. Meanwhile, Yuri plots her ascent to become the first IXA – a path she intends to take to avenge her mother's death at the hands of the Fangire.

Yuri pressed Yuri for an explanation of Jiro's selection for IXA over her, and in doing so, discovered the price of utilizing the nascent system. Meanwhile, in 2008, Wataru sustained an injury following Nago’s attack, a wound that cast a sh…

With Jiro determined to restore the Wolfen lineage, Otoya shields a woman from harm, sustaining severe injuries in the process. The ensuing chaos provides an opening for Jiro to lose the IXA Knuckle, which Oyoya swiftly takes advantage of. …

Following his return of Jiro, Otoya grapples with the lingering effects of the flawed IXA System, yet he maintains a composed facade to ward off Yuri's inquiries. In 2008, Wataru implores Kengo to sever ties with the enigmatic promoter, who…

Following Otoya's incapacitation in the fight against Jiro, Yuri recovers the IXA Knuckle and resolves to hunt down the individual responsible for her mother's death. However, upon confronting him, she is quickly subdued, just as Jiro arriv…

Wataru and Shizuka endeavor to aid Rook – whom they’ve affectionately called “Biggie” – in recovering his lost memories. As he spends time with a young woman whose bicycle he repaired, they hope this connection might spark a recollection. I…

Otoya finds himself with a proposition: assist a young girl in her audition, the reward being a date with Yuri. In 2008, Wataru encounters Mami, an archer who offers him mentorship. Meanwhile, Nago relentlessly hunts a criminal who is also …

Otoya helps his student understand that her lack of progress stems not from skill, but from a disconnect between her playing and her emotions. He instills in her the self-assurance she needs to succeed in the audition, and, more importantly…

In 1986, Rook begins to focus his attention on women on the verge of marriage, and Yuri finds herself confronted by him at a wedding she was attending. Following his assault, she implores Jiro to allow her access to the IXA, but he remains …

Escaping from the grasp of Wataru, now under the influence of Otoya, the Ladybug Fangire takes Kengo and Keisuke hostage. Her aim: to compel Megumi into battle as IXA. The entity masquerading as Otoya attempts to instill in her the fortitud…

Following a meal Yuri hosted to express gratitude for Otoya’s assistance during the wedding disruption, Jiro’s anger flares at the depth of Otoya's affection for her, culminating in a proposal. Speechless, she hesitates, unsure of her respo…

While Otoya strives to assist Yumi in accumulating funds, the Luxur store manager persists in harassing customers. It is Shima who finally elucidates the situation, and a plan is devised to ensnare the Fangire. In 2008, Wataru discovers the…

The closure of Ramon and Riki's massage parlor in 1986, due to operating without the proper license, prompted Jiro to arrange employment for them at Mal d’Amour. This led Otoya to offer Riki counsel on matters of the heart. Elsewhere, Maya …

Following Jiro's assault, Otoya is found and sheltered by Ryoko and Shinji, who tend to his recovery. He unknowingly reciprocates their kindness by intervening when Maya attempts to strike down Shinji. Meanwhile, Jiro, having taken Yuri hos…

Following Jiro’s vanishing, Yuri champions Otoya's acceptance into the Wonderful Blue Sky Group as IXA's official user. However, their search for Yuri's mother's lost ring leads to memory loss for Otoya after a confrontation with Rook, just…

Exploiting Otoya's amnesia, Maya persists in seeking understanding of human affection as he searches for the missing ring. Their clandestine meeting is interrupted by Yuri, who may be compelled to explain the complexities to the Fangire Que…

Nago tendered his resignation to Shima, but the offer was refused. Instead, Shima granted him access to IXA’s Rising upgrade, believing Nago had finally acknowledged his own limitations. The moment of relief was fleeting, however, as Megumi…

It was still 1986, and Nago attempted to convey to Tanahashi the truth of his origins – a traveler from the future striving to alter the course of history. Yet, Tanahashi remained unconvinced, dismissing Nago’s claims as fabrication. In an …

While tidying Otoya’s residence, Yuri finds herself struggling to feel joy, the lingering threat of Rook a constant shadow. This only strengthens her resolve to vanquish the formidable Fangire. Meanwhile, Jiro harbors his own ambitions for …

Following Rook's assault, Yuri is gravely wounded, narrowly escaping death thanks to Jiro’s timely intervention. She is hospitalized. Jiro and Otoya visit her, urging her to prioritize recovery, but she is eager to return to the fray, falli…

In 1986, Rook savored the fruits of victory over IXA and its monstrous creations, as Yuri seized the IXA Knuckle and sped toward him. He snatched the device, transforming into IXA. The monsters retaliated, but he effortlessly overwhelmed th…

In 1986, Yuri, elated after overcoming Rook, proposes to Otoya, who is visibly surprised. Shortly thereafter, he encounters Maya, who is playing the violin. She asks him about her playing before departing for a visit with her newborn son. H…

Having vanquished Dogga, Maya finds herself surprised by Otoya's continued presence, despite the revelation of her true nature as a Fangire. She presses him once more for an answer to a question that weighs on her, offering assistance in cr…

Wataru attempts to find solace in his fractured heart as he navigates a path away from Mio, yet distance proves elusive. He finds himself repeatedly drawn back to her company, along with Taiga. A day at the amusement park takes a dangerous …

Having finished the Bloody Rose, Otoya plays it for Maya for the first time, imbuing the instrument with a prayer to safeguard music for eternity. Frustrated, Yuri departs and crosses paths with Jiro, who learns of the unusual connection be…

As the wedding of Taiga and Mio neared, preparations commenced. However, Mio confessed to harboring affections for another, a truth that shattered Taiga and brought forth his fury. Unaware that the object of Mio’s feelings was Wataru, Taiga…

Mio confesses her affections for Wataru as Taiga observes from the shadows, witnessing the revelation firsthand. Wataru revels in his joy when Taiga appears and challenges him, extending an invitation to Mio and Taiga's wedding. He tells W…

The truth of their connections solidified: Mio and Wataru recognized each other, while Taiga came to understand that Wataru, as Kiva, was his half-brother. Overwhelmed by this revelation, Wataru fled, collapsing amidst the trees. Taiga reso…

Jiro struggles against the Fangire King in a desperate fight; the King has also located Ramon and Riki, intent on their destruction. Yet, the trio manages a narrow escape, encountering Maya and Yuri in their flight. They plead with Maya to …

Having learned of Maya's true nature as a Fangire, Yuri encounters her again with the intent to kill her. However, Otoya intervenes, proposing a picnic, which she rejects with a storm of anger. Maya takes her place, and afterward, Otoya pas…

Driven by a desperate desire for mercy from the King, the Arms Monsters plot Otoya's demise. Yet, none can bring themselves to complete the act. The trio resolves to scatter and flee, but the King preempts their escape, using his dark Kiva …

In 1986, Otoya confronts Dark Kiva with the forces of IXA, yet is utterly overwhelmed and captured by the King, who intends to sacrifice him to Castle Doran. Maya feigns indifference, but secretly seeks out Yuri, imploring her to aid in Oto…

Yuri and Maya pursue Otoya, locked in a desperate fight against the Silkworm Fangire as his life force is drawn into Castle Doran. With his time dwindling, he pleads with the King for one last performance—a song to guide Maya and Yuri. As t…

Following Mio’s death, Wataru confronts Taiga, but Jiro intervenes, pulling him toward the Time Door with the hope that seeing his father will restore his equilibrium. Yet, upon arriving in the past, Wataru becomes determined to save Mio by…

Following Wataru's rescue of Otoya, the King sheds his human guise, revealing his true Fangire form and launching an assault. Otoya manages to evade the attack, only to find himself face-to-face with Kivat-bat the Second. The diminutive bat…

The Bat Fangire attacks while Wataru struggles to protect his father, but he is overwhelmed by the King’s immense power. Enraged, the wounded Otoya activates the IXA, yet the inferior prototype is swiftly destroyed. The armor shatters as th…

The clash between Taiga and Wataru reignited after they both vanquished Bishop’s resurrected Fangires. Embracing his own Fangire nature, Wataru overcame Taiga, declaring his refusal to aid his brother. As Bishop’s schemes to resurrect the f…

Taiga confronts Wataru, the self-proclaimed King of the Fangires, and declares he is responsible for Maya's death. A fierce battle ensues between the brothers, but their conflict is interrupted by the arrival of Bishop and his legion of Fan…