Harukanaru Toki no Naka de (遙かなる時空の中で?, lit. "Within the Expanse of a Distant Time") is an otome adventure game developed by Ruby Party and published by Koei. It is a part of Ruby Party's Neoromance label.
Because of Harukanaru Toki no Naka de's success, the game has given rise to a franchise including several sequels, numerous drama and music CDs, a manga series, two OAVs, a movie, and an anime TV series, and a live-action theatrical.