Father:Kazuma Gaster
Mother:Ariel Hirmada
Oldest Child:Maruto Gaster Hirmada
Youngest Child:Sysuke Gaster Hirmada
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The Protector of The Ommiverse
Adventure(Massive Crossover x Hated Male oc Sans Reader)
Family
Father:Kazuma Gaster
Mother:Ariel Hirmada
Oldest Child:Maruto Gaster Hirmada
Youngest Child:Sysuke Gaster Hirmada