Well, you could write a fanfic that focuses on the friendship between the characters in 'arashi no yoru ni'. Maybe there are some untold adventures they had together before the events of the main story. You could also introduce new characters that interact with the existing ones in unique ways, adding new dynamics to the story.
First, re - watch or re - read the original 'arashi no yoru ni' to get a fresh feel for the story, characters, and the overall atmosphere. Then, come up with a simple concept, like a new adventure for the characters or a different perspective on an existing event.
Since I don't have detailed knowledge of this specific visual novel, it's difficult to say precisely. However, from the title, it seems that it has a connection to a son's friend. It might tell a story full of drama, with the relationship between different characters evolving as the story progresses. There could be emotional moments, conflicts, or revelations that are centered around the situation of being 'okasarete' (entrusted) to the son's friend.
Well, it might have unique art styles. Visual novels often stand out for their distinct art, and 'higanbana no saku yoru ni' could be no exception. The characters might be designed in a very appealing way, and the backgrounds could be really detailed to create an immersive atmosphere.
The title suggests that the son and his friend are key characters. The son is a part of the equation as it's his friend involved. There may also be a parental figure who is doing the entrusting. Without more information, it's hard to say who else might be a main character, but it could be someone from the son or his friend's social circle who gets drawn into the situation.
In visual novels, characters are often well - developed through their dialogues and interactions. In this particular one, the characters' relationships with each other could be complex. There might be love - hate relationships, or characters who are related in unexpected ways. The visual representation of these characters would also play a big role in how we perceive them, with their expressions and body language adding depth to their personalities.
I'm not entirely sure as I haven't read it specifically. But generally, a light novel often contains elements like unique characters, a fictional story setting, and may involve themes such as friendship, adventure, or coming - of - age.