Suggested Media: King Mickey

Video games

Kingdom Hearts 1

Kingdom Hearts 2

Kingdom Hearts coded

Kingdom Hearts 358/2 days

Kingdom Hearts Birth by Sleep

Kingdom hearts .02

Kingdom Hearts Chain of memories

Kingdom Hearts X

Kingdom Hearts 2.8

Kingdom Hearts 3

Kingdom Hearts Melody of Memory

Kingdom Hearts 3.41/100 chain of coded memories Union cross distance the search for MOMs Dinner

Final fantasy versus 13 

Other

Kingdom Hearts Manga series

Some world guide books you probably can't read anyway because they're in Japanese I guess