In the Epistolary novel, the protagonist starts by writing about how his only friend died and how he was alone in the school. But later on, he managed to make two friends which were siblings and he developed a crush on the girl, named Sam. He started hanging out with them, he fought their fights and lived their lives. He went to a party with them and made everybody laugh and then got back to his shy, introvert self.
Later on, The protagonist- Charlie finds out that Sam is dating someone who is not right for her. He cannot do much about it, but he somehow managed to gather his courage and tell her about his Crush on this girl, she politely denied.