Responses
not a manga but kind of sound like this? http://www.mangago.me/read-manga/transparent_cohabitation/
http://www.mangago.me/read-manga/as_the_death_god_dictates/
Possibly this? I am going on a limb xD
A friend gave me a description for a manga and it really interest me but she forgot the name.
She said a ghost live with a girl and the (man)ghost thought the girl couldn’t see him. Man: boyish. The girl was tomboyish and said Boo