Kilkill-kun

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Kilkill-kun
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Birthday: August 15
Zodiac: Leo
Gender: Unknown
Japanese Name: キルキル君
Chinese Name: 杀杀小弟
Korean name: 키르키르 군
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🎙️ Anime Voice Actor

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Aoi Koga
Aoi Koga
Japanese(Anime、Voice Actor)

🎬 Appearing Anime

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Let This Grieving Soul Retire!
Let This Grieving Soul Retire!
Release date: Sept. 29, 2024

Character Setting

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Kilkill-kun is a self-proclaimed magical creature and warrior who serves Sitri Smart, notable for his bizarre appearance, limited speech, and origin as an artificial being created from escaped convicts.

Kilkill-kun is an artificial warrior crafted from prisoners who escaped from the South Isterea Grand Prison.

He acts as a subordinate to Sitri Smart and is primarily used as a combat asset rather than a trusted companion.

Kilkill-kun has a heavily muscular and well-built body, emphasizing raw physical power.

His head is completely concealed inside a paper bag, which is secured with a ribbon to keep it from falling off.

Aside from the paper bag on his head, his only clothing is a bright red boomerang-style pair of briefs.

This near-naked appearance gives him an eccentric, almost comedic presence, despite his actual combat ability.

Kilkill-kun can understand spoken language and follow complex orders.

However, he is only able to vocalize a single phrase: “Kil Kil,” which serves as his universal response in any situation.

Despite this verbal limitation, he displays discipline and obedience typical of a created soldier.

His demeanor seems to revolve entirely around fighting, endurance, and carrying out Sitri Smart’s wishes.

Kilkill-kun is an artificial human engineered for battle, making him a tireless fighter who does not succumb easily to fatigue.

He shows no fear of injury and will continue to fight regardless of wounds or physical damage.

As a swordsman, he relies on his physical strength and resilience to overwhelm opponents.

His design focuses on durability and persistence, turning him into a relentless frontline warrior.

Kilkill-kun was created using the bodies or essences of convicts who escaped from the South Isterea Grand Prison.

These prisoners were repurposed into an artificial lifeform, resulting in Kilkill-kun’s existence as a manufactured combat entity.

This connection to escaped prisoners is also the reason Sitri Smart incurred penalties from the authorities.

Kilkill-kun’s very existence is tied to this incident, making him both a weapon and a symbol of that transgression.

Kilkill-kun serves as a subordinate and combat servant to Sitri Smart.

He follows her commands faithfully and functions as part of her personal fighting force.

However, Sitri Smart is not fully satisfied with Kilkill-kun’s quality as a completed product.

She regards him as useful but imperfect, and she continually looks for opportunities to improve upon his design.

When Sitri Smart encounters superior warriors such as Arnold Hail, known as the “Dragon Slayer” and classified as Level 7, she tends to study them as potential “materials.”

This habit implies that Kilkill-kun may be a prototype in a larger line of artificial fighters, rather than Sitri Smart’s ideal creation.

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(Last edited time: March 26, 2026, 9:38 p.m.)

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