Jinka is a prominent character in the manga series 'Sengoku Youko' created by Satoshi Mizukami. He is a fearsome and skilled warrior known for his aggressive nature and immense strength. Initially introduced as a ruthless character, Jinka undergoes significant development throughout the series, evolving from a bloodthirsty killer to a more introspective and complex individual. His journey is marked by his interactions with other central characters, particularly Tama and Shinsuke, and his role in the overarching conflict of the series. Jinka's character explores themes of redemption, identity, and the struggle between one's nature and the desire for change.