Occupation: The "Agency", Esper

Mori made her debut in Remote Island Syndrome Part 1 as the maid of a distant relative of Koizumi Itsuki, Tamaru Keiichi. However, when Tamaru Yukata seemingly murdered Keiichi, She became a key player in the scheme. However, it was revealed that the "murder" was a setup by Koizumi Itsuki and his Agency to entertain Suzumiya Haruhi.