Are you human?

this story is about a teen age boy who is a ghost wandering in a school while he was exploring the truth about who he is and why is he in this school and why nobody can see him but one day a girl bumped into him but she is a human so how can she see and touch him while finding truth about this mystery he fell in love with her but will she love him after knowing that he is a ghost..........can a ghost and a human can love each other and will the ghost always stay with her or will he leave his side when the time comes and what twist will come to their lives....