When childhood sweethearts Max and Katie suddenly find themselves stepsiblings, the two avoid their conflicted feelings for each other by making promises that push those feelings into the future, promises neither of them think the other will keep. But they do. And as the two graduate high school and enter college, they make one last desperate promise: If they are still virgins when they graduate college, they'll lose their virginity to each other. Now graduation day has arrived and they each wonder if the other remembers the promise. And is willing to keep it. Featuring misunderstandings, conflict, missed opportunities, and impossible love, A Promise to my Stepbrother is a sweet coming-of-age story that tackles one of romance's hottest and most provocative themes in a unique and heartwarming way. This is a stepbrother romance you won't forget.