- New feature: screen filters:
- Smoothing: linear interpolation effect that attempts to smooth the overall image.
- Scan lines: black horizontal lines that cover the whole image.
- Bloom: brighter colors bleed into darker colors.
- Text outline: draw text with a dark outline to make it easier to read on a bright background.
- New Youkai Grimoires, exclusive to New Game+:
- Tug of War: All damage dealt by both the player and the enemy is affected by SP, up to 30%. At 50SP, damage is neutral. SP is reset to 25 at the start of battle. SP cost for SP skills are halved.
- Vicarious: Every Sleeper in stock will gain EXP, even if they didn't participate in battle. Gain less EXP from battles.
- Wild Card: Yukkuri are 10 times more likely to appear. Chance to encounter an inescapable fight with every enemy in the area.
- Randomizer: During normal battles, enemies, their skills and hijack patterns become randomized.
- New location: Geidontei:
- Located in the Human Village, Geidontei is a bar where Sumireko can purchase drinks that give specific buffs for a set period of time.
- Pressing left on the status screen now shows a menu with every skill alongside their costs, instead of skills being shown one at a time in a dialogue box.
- Second portion of the Garden of the Sun has been slightly redesigned. It is now possible to leave the northern part of the area without using teleportation items or dying.
- Approaching the boss area now shows a message warning the player of the danger nearby.
- A new arrangement now plays when Sumireko levels up.