The stern head of the secret society and Mika's former guardian.
Tutor three young, "irregular" witches—Rosetta, Terracotta, and Altamira—before a suspicious solicitor discovers their magic.
VK users have compiled a massive document analyzing the unnamed librarian's dialogue. They argue he uses anachronistic slang (Victorian, Edwardian, and modern) interchangeably, suggesting he isn't just a regular witch but a witch who can move through time, making him the true protector of the Irregulars.
Several high-profile VK fan groups have collaborated to produce a "community canon" epilogue. Written in Russian but easily Google-Translated, this serialized fanfiction follows Mika teaching a young, anxious witch who finds the Nowhere House via a misdirected letter. It is notoriously well-written and considered "canon-adjacent" by the VK fandom. You will not find this on Archive of Our Own (AO3) because the authors keep it exclusive to the VK "secret" ecosystem.
These are the largest communities, often with 5,000 to 50,000 members. They are not "secret" at all in terms of visibility, but they maintain the spirit of secrecy through ritualistic posting.
When you type into the search bar (or the Russian equivalent: «Тайное общество неровных ведьм» вк ), you will typically land in one of three types of communities.
The "grumpy" librarian and primary caregiver for the children; Mika's primary love interest.