Since I don't have first - hand experience with this 'sisterly lust visual novel', it's difficult to say exactly. However, visual novels usually center around characters and their relationships. It could be that this one focuses on the relationship between sisters, perhaps exploring themes like sisterly love, loyalty, or some form of internal family - related emotional conflict.
Since it's a visual novel, it will likely have a story told through text, images, and maybe some interactive elements. 'Lust epidemic' gives a hint at a rather complex and perhaps dark theme. It could be that the story is set in a world where an epidemic has spread not in the form of a disease but in the form of a change in people's sexual or passionate desires. The characters might be trying to find a cure, or they could be caught up in the chaos that this epidemic has brought about, with different story arcs and character developments based on their reactions to this situation.
I'm not familiar with this specific visual novel, so it's hard to say. But some visual novels have unique art styles, like a distinctively drawn characters or detailed backgrounds. It could also have a unique narrative structure, perhaps with non - linear storytelling.
I'm not sure if 'lust of the apartment wives' is a popular visual novel genre. Visual novel genres are quite diverse, including fantasy, mystery, and romance. But this one seems rather specific and might not be as mainstream.
In a story about sisterly bond, there might be a situation where the sisters have different personalities but still love each other deeply. For example, one sister is outgoing and the other is shy. The outgoing sister helps the shy one make friends and the shy sister gives the outgoing one a sense of calmness in return.
One similar visual novel could be 'Doki Doki Literature Club'. It has an engaging story and interesting characters. However, it does have some darker themes, so be aware.
One great story about sisterly love is the story of the March sisters in 'Little Women'. They support each other through various difficulties, like Jo helping her sisters with their dreams and they all come together during tough times.
The sisterly bond in stories is important as it often represents loyalty. Sisters in stories usually stand by each other no matter what. It gives readers a sense of family and unity.