Sister Lover was a Japanese manga about the love story between the protagonist and his half-sister. The ending of the manga had not been decided yet because the storyline had not yet ended. Some readers and the media speculated that the manga might usher in a happy ending where the protagonist and his half-sister could find their own happiness. However, these speculations were just speculations. The details of the ending of the manga would only be known after the work was completed.
The plot is about the unexpected romance that blossoms between a yakuza member and someone unexpected. It's appealing because of the unique mix of action and romance.
The Yakuza games story portrays Yakuza culture in several ways. It shows their hierarchical structure. The higher - ups have great power and respect, and the lower - level members have to follow strict rules. Also, their sense of justice within their own world is depicted. They have their own way of dealing with disputes and traitors which is part of their unique culture.