Phantasy Star Nova just announced a collaboration with Star Ocean 4, Valkyrie Profile, and Resonance of Fate.
The Resonance of Fate collaboration will have costumes and weapons from Zephyr, Vashyron, and Leanne (Reanbell). In addition, Leanne will also appear as an NPC within the game!
Leanne will be appearing as a Guest NPC in Phantasy Star Nova. She can be stationed at the base, or added to the party.