The main characters in the 'Mancini Love Story' are most probably Mancini and the person they fall in love with. There may also be side characters like friends or family members who either support or oppose their relationship. For instance, a best friend who gives advice to Mancini, or a family member who has reservations about their relationship at first but later comes around.
In the 'Mancini Love Story', the main characters are surely Mancini and someone important in their love life. It could be a person they met during their travels, or someone they grew up with. If it's a family - centered love story, the main characters could also include Mancini's family members who play a role in their romantic journey.