MAR 19 2019 -> PRESENT
Unofficial Discord server for fans of Shuuen no Shiori, both old and new. 100+ members.
SUMMER 2019 -> SUMMER 2021
SUMMER 2025 -> ?
An art week themed on Shuuen no Shiori held during the summer that uses the hashtag #weekofdemise. Now has a webpage for 2025-.
JAN 9 2025 -> PRESENT
Bluesky feed that captures posts containing "shuuen no shiori", "shuuenpro", "#shuuennoshiori", "book(mark) of demise", "終焉ノ栞", and any of the main Shuuen no Shiori album names.