Author has written 1 story for Green Lantern, and Rosario + Vampire.
Lantern to Vampire- In progress
Even though it will be Tsukune and crew as lanterns it will start there and go into the DC universe where it ends only my madness will tell
other future stories I'm thinking about
a star trek RV crossover taking place after season 2 of the manga and around the episode the Neutral Zone
Batman and Succubus a story about Kurumu finding out who her father is who happens to be Gotham City's Dark Knight
All Story subject to change