101Leafy researched the game with the Hilltop Works fan translation patch, English translation by Cargodin
Home › Items › Victoria Mansions Key
Victoria Mansions Key維多利亜大廈の鍵
Victoria Mansions Key is item 78 of the game's item table, in the Items group. The script never names it.
Opens the door to Connie Yang's room
コニー楊の部屋の扉を開く。
It never shows up on its own in a talk with a picture, so it has none here.
Item table: Gargle Water Victoria Mansions Key Basement Key
English translations by Cargodin for Hilltop Works Fan Translation Patch: https://www.patreon.com/hilltopworks/posts/kowloons-gate-160555525?collection=18503