Jaiko is Giant's younger sister, who would have been Nobita's wife in the future had Doraemon not intervened. She appears in the very first chapter of the manga, even before the introduction of Gian. Her name Jaiko is usually considered a nickname, but Fujiko never gave her a real name. An aspiring mangaka, Jaiko goes by her amateur mangaka pen name Christine Goda (クリスチーネ 剛田, Kurisuchīne Gōda?), and sometimes submits her manga to publishing companies for prizes. She is sometimes referred to as Hana
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