Nechronica is a table top game in which “you inhabit a world where everything is dead or undead, including you and your “sisters”. You take on the role of Dolls - undead girls capable of thought and feeling - and fight against the Necromancer and his minions, even though it is the Necromancer who created the Dolls in the first place, as simple amusement or decoration for this rotting, undead world.”
(Thanks so much to Remilolia in the IRC who actually knows Japanese and who answered my questions with patience and made this translation top freaking notch.)
Adds professions, martial arts, monsters including a Queen Zombie, brings back boot sheaths(!!!), an undead mutation category - with dreams, CBMs one of which makes your arms and legs shoot off and attack the enemy, and lots more.
Also, a user named LesserJohn posted some translations of even more mods on Reddit!