Natsuzora Kanata is an eroge released in May 2008 by Japanese developer Yuzu Soft. The protagonist, Souta is a boy who visits his aunt's house from a small island. She runs a hotel and he starts working part-time there. One day, he meets a girl, Chihaya, at the coffee shop. They become friends soon and gradually fall in love... However, this is just a beginning of a tragedy: when he meets Chihaya again later, she doesn't remember him...