Here is the full list of all 44 Onechanbara Z2: Chaos achievements.
Collect all accessories (not including DLC).
This Must Be Your Favorite Game
Defeat 50 bosses without taking damage.
Clear 50 stages without taking damage.
Engage Dare Drive or Xtasy 100 times.
Clear all missions in any difficulty with a V rank.
Clear all missions in any difficulty with any rank.
Clear all chapters of story mode in Berserk difficulty.
Obtain all weapons and rings.
Obtain 100 V Ranks in your stage results.
Defeat 500 enemies with Aya's knife or Saki's counter.
Clear all chapters of story mode in Violent difficulty.
Defeat 1,000 enemies with Kagura or Saaya's Dare Drive.
Defeat 10,000 enemies.
Defeat 100 bosses.
Defeat 300 enemies by launching them out of bounds.
Clear all chapters of story mode in Hard difficulty.
Air-dodge 500 times.
Achieve a 500-hit combo 30 times.
Call Kagura or Aya 150 times in Cross Merge Combination.
Defeat 1,000 enemies with Aya or Saki's Xtasy.
Obtain all characters' moves.
Use Aya or Saki's Ecstasy Combination 100 times.
Defeat 2,000 enemies in Cross Merge Combination.
Save up 500,000 yellow orbs.
Defeat 1,500 enemies with physical attacks.
Use Kagura or Saaya's Ecstasy Combination 100 times.
Call Saaya or Saki 150 times in Cross Merge Combination.
Clear all chapters of story mode in Casual or Medium difficulty.
Defeat Evange (Xtatic).
Perform 50 COOL Combination Finishers.
Make use of all goddess statues in story mode.
Defeat Misha (Xtatic).
Defeat 1,000 enemies in midair.
Perform 3,000 consecutive kills.
Learn Aya's Xtasy.
Defeat 100 enemies through stomping.
Defeat 1,500 enemies with slash attacks.
Spin 1,000 enemies.
Chase 500 times.
Begin Chapter 3 in story mode.
Learn Kagura's Dare Drive.
Begin Chapter 2 in story mode.
Begin the game.