As of the most recent data from authoritative anime databases like MyAnimeList and VNDB, there is no official English translation for the Kyonyuu Reijou MC Gakuen visual novel or OVA. The only official English release in the "MC Gakuen" family is the unrelated manga MC Academy . The search term "eng" in the keyword likely points to fan-created English patches, which exist in a legal gray area and are not officially endorsed.
A major thematic tag in adult manga and anime where characters lose their free will, changing their behavior drastically from their original personalities. eng kyonyuu reijou mc gakuen exclusive