Planetarian: Chiisana Hoshi no Yume  

Planetarian Chiisana Hoshi no Yume, planetarian, planetarian ～ちいさなほしのゆめ～

A light novel featuring a collection of four illustrated short stories, including a prologue and an epilogue, and based on Planetarians original story. The first two stories presented occur before the events of the kinetic novel, and the latter two occur during its aftermath.