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Planetarian Drama CD "Hoshi no Hito" is a drama CD based on the Planetarian: Chiisana Hoshi no Yume visual novel by Key. It was first released on July 27, 2007 by Key Sounds Label bearing the catalog numbers KSLA-0030—0031. The CD contains two discs each with seven audio drama tracks of varying lengths; the tracks on each disc come together to form two separate stories. The CD is an adaptation of the "Hoshi no Hito" and "Tircis and Aminte" stories from the limited edition book. The "Hoshi no Hito" story plays like a regular audio drama with several different voice actors acting out the parts, but "Tircis and Aminte" is just a recited story by Keiko Suzuki, the voice actress who plays Yumemi Hoshino in the visual novel. (Source from Wikipedia)

Soundtrack 1

Planetarian: Hoshi no Hito

Soundtrack 2