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Artist's commentary
俺のライダー姉ちゃんが こんなに巨乳わけがない
I left my artbooks FGO in cat cafe's theme because I need to do urgent work, the young boy Rider who transformed into Big-breasts girl in 1 st April for 1 day!!
What's going on in "The Rider girl isn't has big breasts that much" ?
Happy April fool day.