Teen Titans and Land of the Lustrous/宝石の国 Crossovers
Teen Titans: Phosphophyllite Chronicles by LuisJM reviews
After a Lunarian cast a spell that opened a portal, Phos and Cinnabar get thrust into a new world. Separated, it's up to Phos to find their friend and get back home, with the help of some new and special friends. (Phos/Raven Friendship)
Rated: T - English - Adventure/Sci-Fi - Chapters: 20 - Words: 149,041 - Reviews: 34 - Favs: 32 - Follows: 41 - Updated: 5/5 - Published: 12/9/2018 - [Raven, Phosphophyllite] Cinnabar