HMX-12 Multi (マルチ, Maruchi) is a fictional character in Leaf's and Aquaplus' visual novel To Heart. In the visual novel, she is an experimental maid robot, and she made her first appearance as one of the game's ten female main characters. Multi was created by writer Tatsuya Takahashi, who wrote her scenario for the visual novel, and designed by illustrator Tōru Minazuki. She is voiced in Japanese by Yui Horie and by Tara Sands in the English version of the 1999 anime.