Eternal Hour: Strings of Fate invites you to play as Rin, Yasu's Aunt, eleven years before the events of Eternal Hour! You will discover more about Rin's past and how she came to live in Tokya, and how she became Yasu's guardian. You'll also experience sweet moments of gentle romance as Rin and her new friend, Megumi, slowly fall in love, even as they experience tough times together.

Eternal Hour: The Lost Date invites you to play as Yasu ten months before the events of Eternal Hour, in what seems to be just a normal day, when Yasu meets Katashi, Tamiko and Naoko for a fun trip to the beach. The day turns into a mysterious adventure after they stumble upon a magical symbol etched on the ground within a cave, and everything seems to go insane.