I'm not aware of any extremely popular ones off the top of my head. However, in the broader genre of Japanese literature that touches on the yakuza and relationships, there might be some that fit this bill. Some authors might incorporate elements of yakuza life and love in their works, but it might not be a mainstream, widely - known sub - genre specifically titled 'yakuza in love novel'.
I'm not sure specifically as there could be many different 'yakuza in love' novels. Generally, it might be about a yakuza (a Japanese gangster) experiencing love, which could involve themes like loyalty in the yakuza world clashing with newfound love, and the difficulties of maintaining a relationship in a criminal environment.
Well, the 'the yakuza falls in love novel' could be a complex tale. It may explore how the strict and often violent world of the yakuza clashes with the tender and vulnerable concept of love. The protagonist, being a yakuza, would likely have a past filled with illegal and unethical deeds. When love enters his life, he has to face not only his own internal demons but also the external threats from rival yakuza groups or those who don't want to see him change. It could be a story of redemption, sacrifice, and the power of love to transform a person from a life of crime.
Not entirely. While it shares certain characteristics with visual novels, such as story-driven elements and character development, Yakuza 0 is more of an action-adventure game with a rich narrative.