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LittleBuster
Since: Jun, 2016
22nd Apr, 2017 02:44:05 AM
Aloof Big Brother or Annoying Younger Sibling is also possible by context. But yes, Sibling Rivalry is the most suitable for such cases.
Edited by LittleBuster
When Brother/Sister are antagonistic, but not trying to compete at something, nor have same level as Cain and Abel, what is it called? or can Sibling Rivalry be used instead?