In-Sys

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In-Sys is a term for relationships between headmates to use as a label, or even tag/hashtag to share their content or posts. It is for people who have a romantic or queerplatonic relationship and are commited to it, yet it happens in-system; considering it as real and valid as if it was outside the system.

History
The term was coined by Tumblr user aquarius-system, whose account no longer exists.