Miller Greyler, Isekai Ojisan Wiki

Miller Greyler (ミラー=グレイラー, Mirā = Gureirā) is a character in the Isekai Ojisan series. weakness to being slapped in the face: Ojisan's shapeshifting magic was able to subdue Miller by changing into a former teacher and repeatedly slapping Miller in the face.

Isekai Ojisan, Chapter 48 - Isekai Ojisan Manga Online

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Manga Chapter 46, Isekai Ojisan Wiki

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Isekai Ojisan, Chapter 48 - Isekai Ojisan Manga Online

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