Age 45. Chief editor at Weekly JIDAI.
As the senior editor within the department, Tatsuhiko doesn't seem to do a whole lot. He's a rather laid back man and is often accused of being sexist towards the female characters (though whether that is true, especially compared to other male characters in the series, is debatable.) While he is very susceptible to flattery, Tatsuhiko also has his serious moments. There is a reason why he is the boss and when the stakes are raised, he is willing to step up and take responsibility.