The Guy Next Door (A Dan Howell fanfiction)

15 year old Katherine is a huge danisnotonfire and amazingphil fangirl, and has never been understood by her friends. It doesn't help that she's hugely in love with Dan. So when Dan and Phil become her new neighbours, will she be able to hide her illegal feelings for Dan? Especially when the 3 get closer and Katherine start to feel that maybe she's not the only one with illegal feelings.