Yuiren0312

Please help me find this title! The story is about this young man who moved to Tokyo? to go to university. He is an otaku and wears glasses. One day on the way home he saw a ghost on the bridge and somehow the ghost befriended him. He is the only one who can see him and one day this young man saw the ghost jumped down on the bridge and this young man wonders how the ghost died?if the ghost committed suicide or an accident? The ghost can't remember what happened to him or how he died and stuff. Please help find this yaoi.i was reading it and I lost it. Thank you for your help!