"Toshiaki Nishizawa is a complex and fascinating character in the Japanese manga ""Smoke & Rain"". He is a key figure in the story who appears frequently and plays a significant role in the development of the plot.

Nishizawa is a middle-aged man with a rugged and tough appearance, and he has a reputation as a skilled and ruthless hitman in the criminal underworld. He is often seen smoking and wearing a trench coat, giving him a distinctive and iconic look.

Despite his tough exterior, Nishizawa is also shown to have a softer and more compassionate side, particularly towards those he cares about. He is fiercely loyal to his boss and is willing to do anything to protect him, even if it means putting himself in danger.

Throughout the story, Nishizawa's character is explored in depth, and we learn more about his past and the events that have shaped him. He is revealed to have a tragic backstory, with a history of abuse and neglect that has left him emotionally scarred.

Despite his troubled past, Nishizawa is a highly skilled and intelligent individual who is respected by both his allies and enemies. He is an expert in combat and is always one step ahead of his opponents, making him a formidable opponent.

Overall, Toshiaki Nishizawa is a fascinating and complex character who adds depth and intrigue to the ""Smoke & Rain"" manga. His tough exterior, tragic backstory, and fierce loyalty make him a memorable and compelling figure, and his presence in the story is sure to keep readers engaged till the very end."