冴戒椎也/しーや
@sakaishiiya.bsky.social
「さかいしーや」と読みます。パズル・クイズ作家／ボカロP／YouTuber（まる芸TV!!）／クイズプレーヤー。2023年4月『東大王』出演。著書『東大式！クイズでわかる日本史／世界史』（実業之日本社）
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