worldbuilding-heavy fics

• Bintumani: Rivers of London, Elsie Winstanley and Mamusu Grant have a roadtrip/adventure together in 1970s Sierra Leone
• Breathe, breathe in the air: Rivers of London, Peter/Beverley and Peter/Old Beverley Brook (metaphysical) sex scene (explicit)
• Studying Dragons: The Memoirs of Lady Trent, the Flying University helps connecting young women, not just with their academic interests
• To Serve The Sacred: Mass Effect Andromeda, the story about how a kett becomes disloyal to the Archon