Getting Lost on the Roads of Life - a KakaSaku Story [CONCLUDED]

Kakashi wakes up in the high-security wing of Konoha's hospital. He seems to have been severely wounded, his chakra is almost depleted and... he has no recollection of how he got there. Lady Hokage Tsunade orders Sakura, by far her best medical-nin, to tend to their "most difficult patient". She needs her most experie...