Myself ; Yourself

Myself ; Yourself (マイセルフ；ユアセルフ, Maiserufu ; Yuaserufu) is a Japanese visual novel developed by Regista which was released on December 20, 2007, for the PlayStation 2. Takumi Nakazawa, the main scenario writer for the Infinity series (Ever17, Remember11), is the principal writer for Myself ; Yourself. Character design for the game is provided by Mutsumi Sasaki, who also produced the original character design for Memories Off, Happy Lesson, and Futakoi. Before the game's release, a light novel based on the story, written by Takumi Nakazawa, and illustrated by Wadapen, was serialized in the Japanese bishōjo magazine Dengeki G's Magazine between March and November 2007, published by MediaWorks.

A 13-episode anime television series adaptation by Doga Kobo, the first for the studio, aired in Japan from October to December 2007 on TV Kanagawa. A spin-off sequel to the visual novel was developed by the previous staff entitled Myself ; Yourself: Sorezore no Finale and was released on May 28, 2009, for the PlayStation 2.