Kimi ga Nozomu Eien (君が望む永遠, lit. "The Eternity You Desire"), or Kiminozo for short, is a Japanese adult visual novel developed by Âge and released on August 3, 2001, for Windows. It was later ported to the Dreamcast and PlayStation 2. The gameplay in Kimi ga Nozomu Eien follows a branching plot line which offers pre-determined scenarios with courses of interaction, and focuses on the appeal of the eight female main characters by the player character.

The game was adapted into a 14-episode anime television series, which aired between October 2003 and January 2004. Funimation licensed and distributed the anime in North America under the title Rumbling Hearts. The series was also licensed for release by Revelation Films in the United Kingdom and Madman Entertainment in Australia and New Zealand, under the title Rumbling Hearts: Kiminozo. It was one of the first anime shows to be officially made available for the iPod through the iTunes Store and is also available through Microsoft's Xbox Live Marketplace. A four-episode OVA series called Kimi ga Nozomu Eien: Next Season was released between December 2007 and December 2008. The OVA series follows an alternate ending that centers around Haruka.