According to the book The Fairy Bible: The Definitive Guide to the World of Fairies written by Teresa Moorey, the Silky is a female fairy from the borders of Scotland, known to "wear rustling silk as she does household chores" and "terrorizes lazy servants."
"A house faerie of England and Scotland. She carries out household chores while everyone sleeps and is a welcomed spirit. It is said you can hear her silk skirts rustle as she works. However, she will kill anyone who tries to cause harm to the family she protects."
A demon fought in the Challenge Quest, RxW Smacktacular XIII. Part of Team Red, she is found in Shinjuku Nicho. She's stated by the announcer to be unknown in her powers, but has taken popularity charts by storm. She admits this is her first time participating and promises to slaughter her opponent to the best of her abilities. A hunter mentions after the battle that Silky being sweet and cute lead many to drop their guards on Team White, causing their deaths.
Silky can later be found as a normal enemy in Midtown. She can teach Flynn the Panic Voice and Mediarama skills through her Demon Whisper.
"A house faerie of England and Scotland. She carries out household chores while everyone sleeps and is a welcome spirit. It is said you can hear her silk skirts rustle as she works. However, she will kill anyone who tries to cause harm to the family she protects."
—Shin Megami Tensei IV Apocalypse compendium
Silky can be found in Shinjuku in the east entrance main street, kabuki-cho passage and kabuki-cho areas. She can teach the Panic Voice, Diarahan, Posumudi and Bufudyne skills through her Demon Whisper. Silky benefits from learning Ice, ailment and healing skills.
Silky is one of Judah Singh's demons, and eventually is recovered on his memory card by the protagonist. They later appear in random encounters on the Amami Float.
"A fairy of England and Scotland. She carries out household chores while everyone sleeps and is a welcome spirit. It is said you can hear her silk skirt rustle as she works."
—Persona 5 background
Silky is the first Persona of the Priestess Arcana and can be encountered as a Shadow in Kamoshida's Palace and in the Aiyatsbus area of Mementos, with the title "Troublesome Housemaid." She is the first Persona the protagonist can access that learns Dormina and Bufu. When itemized using Electric Chair execution, Silky yields a Silk Dress armor for female characters, which provides 60 DEF, 10 EVA and adds the +Evade Magic (low) effect.
"A house faerie usually seen near the border of England and Scotland. She carries out household chores while others sleep and is traditionally a welcomed spirit. You can hear her silk skirts rustle as she works. She will kill anyone who tries to cause harm to the family under her protection."
"A house fairy of England and Scotland. She carries out household chores while everyone sleeps and is a welcome spirit. It is said you can hear her silk skirts rustle as she works. However, she will kill anyone who tries to cause harm to the family she protects."