This is Junjou Romantica and Sekaiichi Hatsukoi crossover book. I've been watching these shows nonstop for about two months and I love them.
All couples of sekai ichi hatsukoi and junjou romantica, including junjou mistake and trifecta, will have to answer questions and do dares that you post in the comments. Any comments not mentioned to a specific character in either anime means that all the characters(mainly the ukes) will have to answer the question or...