Touhou_NSFW : [Kazemichiya (Mamo Williams)] Zettai Hen Na Koto Shinai
[Kazemichiya (Mamo Williams)] Zettai Hen na Koto Shinai
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Tenshi master race (I second this statement)
original: https://reddit.com/r/Touhou_NSFW/comments/4thzal/kazemichiya_mamo_williams_zettai_hen_na_koto/