Close to: Inori no Oka

In this visual novel you play as Motoki, a guy who landed in a coma after trying to save your girlfriend, Yuna. While in a coma, you become a wandering spirit, and your girlfriend looses all memories of you. But when you hear the doctor proclaiming that you only have a couple of weeks to live, you want to do something, anything, while you still can... but how can you contact with the living as a spirit?