Shinjuro is a very short-tempered man, especially when regarding his son, Kyojuro, or humans, with the mention of either causing him to grow furious. He appears to be abusive, harshly insulting Kyojuro and knocking Senjuro to the ground. Always drunk and disapproving of what his children do.

However, it is later revealed that Shinjuro truly cared for Kyojuro despite what he said to him. He realized it to late, that he cared for his child. Kyojuro had left his family behind.

He's craves a wife and . He's a massive of nine-tailed fox.