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The Rival Lovers - 1908 was released on:
USA: April 1908
Inuyasha - 2000 Nursing Battle of the Rival Lovers 4-89 was released on:
Japan: 21 October 2002
USA: 1 February 2005 (Adult Swim)
Their families are two rival gangs, so to speak. contrary to some movie versions race mixing does NOT enter the plot of the Star-crossed lovers.
home for the lovers
No, they are not lovers.