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Henryk's great granddaughter, also known as the "Little Girl", is a recurring character in the Interface series. She's the only surviving relative of Henryk and may play an important role in the development of the story.


Henryk's great granddaughter is the last descendant of Henryk Niebieski. She's first shown as a little girl in Episode 04, although she sometimes appears as an infant as well. Much is unknown about where and when she was born, but it's believed to be in the same area as where Interface takes place, the city and surroundings of Montreal.

She was orphaned as a young child due to her parents' death, shown in Episode 20. She was saved from the car accident by the Ghost, who apparently raised and protected her for several years afterwards. Her whereabouts after the Ghost is absorbed by KAMI are unknown.


Main characters Henryk Niebieski · Mischief
Recurring characters Chef · The Ghost · Henryk's great-granddaughter · KAMI · Mr. Greetings
Universe Cerebral electricity · Dreamland · Greetings Robotics Corporation · Mechanical Saccorhytus · The Lighthouse · Montreal
Part I 01 · 02 · "Greetings Robotics" · "The Ghost" · "The Son of Man" · "Bear Witness" · "The Mechanical Saccorhytus" · "The Watchful Eyes" · "Camouflage" · "An Illusion of Time" · "Revelation" · "Metallic Evolution"
Part II "The Right Direction" · "Dreamland" · "The Winds" · "When Skies Were Still Blue" · "The Fall" · "Rebuilding" · "Entanglement" · "All That Perish" · "Restoration" · "Ascend to Solitude" · "An Unconscious Conscience" · "The Abyss"
One-shots "Big Smile's Order" · "Mischief is a Bird" · "Livestreaming from a Lighthouse with Henryk"
Adult Swim shorts "Open Wide Up" · "Stranger Danger" · "A Christmas Stalking" · "A Striking Ball"