Yukiko Mannaka

Kokoro Library lies nestled in an unpopulated mountain far away from town. Three sisters, Iina, Aruto and Kokoro, call the library home and run it from day to day. Kokoro is just beginning her adventures at the library. Will she be become a full-fledged librarian? Will the remote library ever attract readers? Kokoro tries her best to make her dreams come true at Kokoro Library, a place where miracles can happen.

Across the ocean on the tiny island kingdom of Barou the ancient god Neo Ranga awakens from his slumber. He is mysteriously drawn to Tokyo, and the three beautiful sisters - Minami, Ushio, and Yuuhi - who are unwittingly linked to the monster. But instead of rolling out the red carpet, the military rolls out the weaponry, and things start to get nasty. The plot thickens: Why is Neo Ranga driven to Tokyo? Is he a messenger with a warning for humankind, or just a big boy out for a good time? And what's behind Ranga's mysterious eyes?