Gacha Harem King DXD Character Bio: Nyaruko Hyoudou (Patreon)

Full Name: Nyaruko Hyoudou

Alias: Nyarlathotep, Cosmic Horror Idol, Eldritch Alien Bride, “Darling’s First Wife,” Chaos Gremlin

Age: ??? (Appears 17)

Height: 155 cm

Chest: 88 cm 

Origin: R’lyeh / Crawling Chaos Dimension

Birthday: Unknown claims “every day I met Darling is my birthday~”

Gender: Female

Affiliation: Hyoudou Household, Gacha Summons

Favorite Color: Silver (because it matches her hair)

Race: Eldritch Alien, Nyarlathotep

Classification: Alien / Reality-Bending Cosmic Entity

Bloodline: Nyarlathotep (Crawling Chaos)

Sacred Gear: None

Known Weapon: Red Crowbar, guns, bombs, baseball bats, chainsaws

Style: Hyper-aggressive chaos offense; unpredictability is her fighting style

Strengths: Low Reality manipulation, High-speed regeneration, Extreme durability, Obsessed loyalty to Issei, Boundless energy, Immune to fear and logic, CQC Mastery, Spatial Manipulation, Hammerspace Arsenal, Unpredictability

Weaknesses: Jealousy, Can’t resist teasing others, Zero impulse control, Easily offended, Easily Distracted, Poor Planning Skills

Current Residence: Hyoudou Hidden Castle

Favorability: 112% (Maxed + overflowing)

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Appearance

A cute silver-haired girl with long, flowing hair and bright silver eyes. Her standard outfit resembles a gothic-style school uniform. Her expression is almost always an excited smile, mischievous grin, or an emotional love filled stare. True form is an eldritch abomination that would scar anyone that looks upon it.

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Personality

Nyaruko is pure, chaotic affection, being overly clingy, easily excited, and fiercely possessive whenever Issei is involved and gets jealous of others. Whenever she is seen with anyone else and is on friendly terms she is playful and teasing. She has been shown to be thrilled and delighted by danger. Obsessed with everything related to Issei She calls Issei “Darling” constantly and believes wholeheartedly that she is his first and true girlfriend. Despite her madness, she is capable of surprising maturity when Issei is hurt or upset, calming instantly to comfort him.

Background

Nyaruko worked as an operative for the Space Defense Agency, a cosmic organization responsible for containing dangerous artifacts, creatures, and interdimensional threats. Her job included hunting dangerous criminals, preventing alien invasions, recovering stolen cosmic technology, and keeping planets safe. Despite her immense cosmic power, her supervisors frequently complained because she caused more chaos than the criminals, she constantly broke protocol, she kept taking time off to indulge in hobbies and she was completely unpredictable. Yet… she was also their most effective agent, completing missions no one else could survive.

Before meeting Issei, Nyaruko was already obsessed with Earth culture including Anime, Manga, Video games, Idols, Conventions, Cosplay, Earth snacks and romantic tropes She studied Earth romance stories so much that she decided her “fated partner” would be a hardworking, kind-hearted human boy who wouldn’t fear her. That fantasy is exactly why losing her heart to Issei was instantaneous. Among her own species, Nyaruko stood out. She was too emotional, too human-like, too excitable, and too interested in romance. Others of her kind viewed emotions as pointless, so Nyaruko was considered an “eccentric cosmic anomaly.” This left her lonely—something she hides under her hyperactive personality.

Nyaruko was summoned as the first gacha wife, immediately imprinting upon Issei the moment she arrived. Since her summoning she has declared herself Issei’s number one girlfriend, fought anyone who challenges her position, constantly clung to him physically, sleep with him in his room nightly, fought Run, Kaguya, Karura, and Furina multiple times over “wife rights”. Provided comedic chaos, emotional support, and terrifying cosmic power. She is one of the most affectionate and confrontational members of the harem.

Abilities & Powers

Eldritch Physiology - Her human form is a costume. Beneath it lies a cosmic horror capable of reshaping itself at will.

Low Reality-Bending - She can distort physics, summon impossible weapons, and break perception.

Superhuman Speed - She often moves so fast that even Evangeline and Priscilla lose sight of her momentarily.

Item Summoning - Most notable is her red Crowbar, which can harm almost anything.

Cosmic Awareness - She can detect threats, lies, and emotions through her senses, especially Issei’s presence.

Regeneration

Form Shifting

 Anti-madness aura - ironically prevents others from going insane from her presence

Spatial Manipulation

Hammerspace Arsenal

Personality Quirks

Says “DARLING!” at least 50 times a day

Clings to Issei like a backpack

Jealousy is instant and explosive

Calls Run “Thief!” after the kiss incident

Loves Earth anime, manga, and snacks

Pretty good at cooking but gets distracted

Relationships

Issei Hyoudou: Her entire universe revolves around him. Overprotective, affectionate, jealous, and deeply loyal. Believes their marriage is fated.

Kaguya: Rivals that are constantly bickering. Kaguya sees her as an annoying insect; Nyaruko calls her “Spoiled Princess.”

Run: Arch-nemesis after Run stole Issei’s first kiss. Their rivalry is explosive and noisy.

Priscilla: Respectful but jealous of her large form as her breasts always take Issei’s attention from her and wants a big soft form too.

Shiraori: Nyaruko tries to befriend her; Shiraori just silently stares.

Karura: A rival on who will have Issei’s children

Raynare & Kalawarna: She bullies them occasionally but would defend them if threatened.

Furina: Calls her “Drama Queen 2.0.” Fights loudly for attention.

Henrietta & Yukina: Actually treats them gently.

Trivia

She was the first to call Issei “Darling.”

Once threatened to erase Run from reality for kissing Issei.

Often steals Issei’s shirts to sleep in.

Can appear from behind Issei without walking.

Dislikes being ignored more than anything.

Quotes

“DARLING~! I sensed that you needed me!”“Back off, thief! Darling is mine!”“Kaguya, your arrogance is showing again.”“Priscilla, you can’t just sleep with him because you’re fluffy!”“Darling, let’s take a bath together!”“Run, I will annihilate you.”“If Darling asked me to destroy a galaxy, I’d ask which one!”