Please help me find this

Wait can someone help me find this manwha, its like this guys girlfriend got hit by a car when she was crossing the street and the person who hit her was the guys mom and then later the mom saw this girl who looked exactly like that guys gf so she begged her to date her son but then it turns out that the girl who looked like that guys gf was a guy too but they wished they were born a girl so that they wouldnt have needed to dress up like a girl and the guy keeps seeing his dead gf but when hes with that girl who looks like her, she disappears