Forbidden. A Theodore Nott story

Y/N Riddle, sister of Mattheo Riddle has been in love with Theodore Nott for as long as she can remember. But there's two things, 1.) he obviously could never feel the same way about her and 2.) Mattheo has forbidden him from ever touching her. So when she has to begin taking tutoring lessons from him all hell breaks loose. She's tried so hard to hide her feelings but it's getting harder and harder the more time they spend together.
Theodore Nott has been in love with his best friends sister, Y/N Riddle for years. Up until now he's been able to suppress his feelings for her, but now they're together almost every day, talking about things they've never told anyone else before and growing closer and it's getting harder for him to ignore his longing for her.