It's possible that there are multiple characters, each with their own relationship to the concept of the 'allergen'. Maybe a family where one member has an allergy and the others have to adjust, and the story is about their journey together.
I'm not sure specifically as there could be many novels with that name. It might be about a unique love story involving an allergen in some way, perhaps a character has an allergic reaction that sets off a series of events in the plot.
I don't know specifically who the main characters are without reading it. But they could be characters like a brave young girl or boy who has to deal with the challenges of this 'wicked lovely' world.
There could be a diverse set of main characters. It may include a strong - willed explorer who is determined to map out every part of the lovely island. Another character could be a kind - hearted native of the island who has a deep connection to the land and its traditions. And perhaps a mysterious figure who arrives on the island with a hidden agenda. Without more information about the 'Lovely Island Visual Novel', it's hard to say for certain.
Obviously, the sisters are the main characters. But we don't know their specific names or personalities without more information.
The main characters in this story are Susie Salmon, the victim. She is a young girl full of life before her untimely death. Her father, Jack, is a loving but tormented man after her death. He is driven by the need to find out what happened to his daughter. Abigail, Susie's mother, is another main character. She has her own set of emotions and actions in response to the loss. And of course, Mr. Harvey, the murderer, whose actions and motives are an important part of the story.
The main characters are Susie Salmon, the young girl who is murdered. Her father, Jack Salmon, who is determined to find her killer. Her mother, Abigail Salmon, and her sister Lindsey Salmon. Also, there is Mr. Harvey, who is the prime suspect in Susie's murder.
The main characters include the murdered girl, her family members like her father and mother, and her sister. There's also the detective who is investigating the case.
I don't have specific information on this, but in bishoujo visual novels, the main characters are usually the female leads. So in 'our lovely escape', it's likely to be a group of girls with distinct personalities.
Susie Salmon is very important as she is the victim whose story is central to the novel. Her father, Jack Salmon, who is determined to find her killer. And her mother, Abigail Salmon, also plays a significant role in dealing with the aftermath of Susie's death.
A young and ambitious amateur runner could be a main character. This person is new to the running scene but has big dreams. They are constantly learning and growing, and their journey can be very inspiring.