Fics like "A Room in Between"

He wasn't always shattered across time and space. He wasn't what you might call a "family-oriented" person, but there were people he cared about. People he might even do crazy things for, if it meant a better life for them. He was tired, but not in the way people around him thought. He was tired of seeing his family suffer, tired of being useless. But he won't be for much longer. TLDR; an AU where Gaster is Sans and Papyrus' brother (rather than the usual interpretation of him being their father)

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