She was the 17 years old and she was one of the best singers in the world, she also almost had a longest hair in the world, she was very beautiful and popular but she still high school student and have to seek lessons, so she sign up to go high-school where you school at You :boy, 17 years old, your table was side by her table, musical, pretty strong, kind, handsome

She was an elf and die and got transferred to isekai (don't ask me why i do this and i don't know about fate anime story) she was 20 years old when she got on that world and depressed after her passed away leaving her beloved one(shirou? Maybe?) . For a 5 years she been keeping her hair long for her beloved recognize her by her hair and it's now 15 meters and her hair is covering the whole ground. She doesn't have any magic and just had a skills to make a poison. You are shirou and you die because of... (you can choose why he die) and accidentally bump her on the crowd with her big hair bun fall down covering the whole ground and spread everywhere and she was speechless seeing you

She was elf and the greatest demon king with the most powerful magic in the isekai, she has a very long hair that almost passed her knees, your name is ard and you are Fiancé of her (sorry for the late and my grammar bad but this is for best online friends)