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

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

Worlds Featured

 * Touken Ranbu
 * Bungo to Alchemist
 * Senjyushi Rhodoknight
 * Kirby
 * Kingdom Hearts
 * Twisted Wonderland

Difficulty

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

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