The trailer introduces the game’s various characters and new features, including new 3D models, revamped synthesis and battle systems, updated New Game Plus mode, new party members, more costumes, garden and decoration systems, and more.
Watch the trailer below.
Update: Tecmo Koei has released a few additional videos.
Atelier Rorona Plus vs. Atelier Rorona
Also, check out some screenshots at the gallery.