The latest Dengeki PlayStation (via Ryokutya2089) has Nippon Ichi Software teasing sequels for two of their IPs.
The Japanese developer is planning sequels for both Coven and Labyrinth of Refrain and Yomawari. The company is likening both titles as promising new franchises that will grow. NIS is also thinking about sequels for other previous games.
Finally, Nippon Ichi Software is readying to start talks for new works in the Disgaea series next year, and will announce a new game at the start of the new year.