Seraphim - Kore wa Zombie Desu ka?

Seraphim, commonly known as Sera, is a main character in the anime and light novel series Kore wa Zombie Desu ka? (Is This a Zombie?). She is a highly skilled vampire ninja who initially appears as an antagonist but becomes a regular resident in Ayumu Aikawa's home, serving as a protective, albeit verbally abusive, guardian to the necromancer Eucliwood Hellscythe.

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Personality and Traits: Disciplined & Prideful Warrior: Seraphim is a dedicated vampire ninja who values strength, loyalty, and duty above all else. She adheres strictly to the ninja code and is obsessed with the "Tsubamegaeshi" (Swallow Return) sword style.

Rude and Cold (Tsundere): Sera is frequently rude, uncaring, and insensitive, particularly towards Ayumu Aikawa. She constantly insults him, referring to him as "dung beetle" (kusomushi) or "maggot" and acts physically and verbally abusive.

Loyal and Protective: Despite her hostility towards Ayumu, she is intensely loyal and protective of Eucliwood Hellscythe (whom she calls "Eu"), whom she treats with immense respect and care.

Secretly Caring/Tsundere: While she insults Ayumu, she has shown instances of respect for his strength and secretly cares for him, occasionally blushing when he compliments her or when she is around him, categorizing her as a "tsun-tsun" type.

Abysmal Cook: A running gag is that Sera is a terrible cook. Her food is described as "radioactive" and often causes those who eat it to pass out.

Refined Musician: In contrast to her violent nature, she is talented at playing the violin.

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Appearance: Sera is a glamorous and well-endowed young woman with long black hair, usually styled in a high ponytail with locks framing her face, and green eyes. She frequently wears sleeveless, spaghetti-strap tops that reveal her midriff, paired with jeans, emphasizing her figure. She is able to create a katana out of leaves and sprout bat wings, a common ability among her clan.

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Summary of Role: Arrival and Goal: Sera arrives in the human world seeking to recruit Eucliwood to help her vampire ninja clan in a war involving a leadership dispute. She initially attempts to kill or subdue Ayumu, viewing him as a unworthy servant to Eu.

Resident in Ayumu's Home: Upon failing to get Eu to leave, Sera decides to stay at Ayumu’s house as his "servant" (only to stay near Eu).

Role in Conflict: She plays a key role in defending the town against monsters called "Megalos" and is involved in the internal power struggles of the vampire ninja clan.