The Chairman of the Board of Kurokado Private High School.

Is actually a relative of Kyutarou and a specialist in psychology. He offers Fumi the job of working as a housekeeper in their mansion, and helping Kyutarou with his responsibilities, after she eliminates the 'parasite' from Sakaguchi's 'heart'.

Clarifies he is married to avoid being added to Fumi's 'golden egg' list.

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