"The story are ties together."
The calendar of this universe was called Yumina Calendar Standard (YCS).
While those media doesn't consider either part of universe. While Yumina represent the formal timeline for connect all Yoshimizu Castle media with proper universe. Isn't mean the fall of United Membership in Star Democratic doesn't connect to the story where Kotori was killed by Nill William or Duchess Claire von Crosstrovia has stop the Great Celia War.
Overview
Background
Coming Soon
List of Yumina main chronology:
The Yumina story start with P.E. 1947 with Great Rocsell Disaster as B.Y.C.S. 70. The start year of Yumina Calender start in P.E. 2017 with Kotori's death and rise of the Against the Blanec Movement. The farthest Yumina timeline is set in Y.C.S. 700,052,517 with Matsusaka.
Every future Yoshimizu Castle media (either being family drama, action thriller, horror or slice of life) that doesn't mentioned or connect to any story of major media like Touhou Galaxy Project, Afterlife Expanding, and Star Democratic will mandatory by part of Yumina timeline.
- B.Y.C.S. 70: Great Rocsell Disaster
- B.Y.C.S. 55 - B.Y.C.S. 15: Star Democratic story
- B.Y.C.S. 15: Fall of United Membership
- Y.C.S. 1: Kotori's death
- Y.C.S. 3: Rinne Somnium and Nill William was killed by Rinne Yoshimizu
- Y.C.S. 11: Traveler from Beyond of Gamindustri 2022
- Y.C.S. 21 - 28: Death of Lady Rema Yoshimizu and Third Global Conflict
- Y.C.S. 700,000,000: Arrival of Guardian Character to planet Goldia