I just finished reading the whole serialized version a couple weeks back, and honestly, I had a different expectation going in. The summary made it seem like this super dominant, obvious mafia boss was the central romance, but the actual progression really centers on Viktor Rossi. He's the one who finds the protagonist, Angelica, after the accident, and his whole arc is about protecting her while dealing with his own guilt over her blindness. The other potential interests, like his more volatile brother or the detective sniffing around, get moments, but the narrative weight is squarely on Viktor.
What's interesting is how the 'blind angel' element plays into it. Her not seeing him lets their relationship build on everything but physical attraction initially, which forces Viktor to be vulnerable in a way he isn't with anyone else. The tension comes from him hiding his true nature from her, of course, but the love scenes and the internal monologues are almost all from his perspective, obsessed with her safety and purity. By the final conflict, when she learns the truth, her choice is clearly him, even with all the darkness. The author really built that central pair as the emotional core, even when the plot got hectic with mob wars.
I saw some readers on the platform complaining they wanted a love triangle resolved differently, but rereading it, Viktor was always the endgame. The story's title kind of gives it away—he's the 'mafia' to her 'angel.'