Princess Metempsychosis

Princess Metempsychosis: A Heroine's Legend(王女輪廻転生:乙女の伝説, Ōjo rin'netenshō: Otome no densetsu) is a crossover

In Battle
Compared to Project X Zone, fighters are not separated into duo and solo units,

My Kingdom
Between chapters, the player's base of operations

Worlds Featured

 * Touken Ranbu
 * DRAMAtical Murder
 * Bungo to Alchemist
 * Senjyushi Rhodoknight
 * Thousand Year Door + Super Paper Mario
 * Kirby
 * Metal Gear Solid
 * Live-A-Live
 * Kingdom Hearts
 * Twisted Wonderland
 * Code:Realize
 * Obey Me - One Master to Rule Them All

Difficulty

 * Maid (Very Easy)
 * Lady (Easy)
 * Princess (Normal)
 * Queen (Hard)
 * Empress (Very Hard)
 * Goddess (Extreme)

Additional

 * Dowager - If the Princess runs out of HP, instant Game Over regardless of allies remaining.

Trivia

 * The legal processes with Disney that were required to get the cast of Kingdom Hearts and Twisted Wonderland into the game took a year as well as
 * Unlike the canon entries of Project X Zone