New Game Plus mode:
Complete Story mode and load your cleared saved game file. Select “Continue” at the title screen to start a new game with all health and ink pots earned in your previous playthrough. You will also retain bonus items that you previously unlocked.
Game Completion bonuses:
Unlock the following bonuses by performing the corresponding tasks:
BONUS – HOW TO UNLOCK
Dark Sun (Dark Chibi) – Complete the game.
First Sunrise (Chibi Shiranui) – Complete the game with everything accomplished.
Karmic Returner (Original Amaterasu) – Complete the game.
Moon’s Legacy (Maid of Ice) – Complete the Treasure Tome.
Painter’s Legend (Ishaku’s armor) – Complete the Bestiary.