Lina is a very nice girl who has had a lot of hard things going on in her life but manages to stay in it with a good attitude. Lina's mom died from cancer and sent her to live with her " Dad" Howard. Lina's mom had been to Florence where she was sending Lina to live many years before, she sent Lina a journal from when she was in Florence studding 17 years before. It was a journal of her thoughts and feelings well in Florence. The journal it turned out in the end was for Howard.
Ren who's full name is Lorenzo is a nice caring kid who really cares for Lina. Ren is the first person to meet Lina (besides the people she is living with) and shows her around the city a lot. Towards the end of the book Ren starts to show that he really love Lina as a friend but also as a girlfirend. Ren never was really mean to Lina and alwyas cared for her even when she might have beeen with Thomas.
Howard is a nice caring loving guy who has had a hard past. Despite Howard's past he is very protective and caring for Lina who is not even his Daughter. Even though Howard does not know how to be a dad he is taking it head on caring for Lina with all his heart. He even was very nice and caring and willing to get Lina what ever she wanted when she was trying to impress Ren.