He is the sacrifice of the male Zero pair. He is the more cruel and brutal of the two; however, they are both rather blunt and cold towards others. Like Natsuo, Youji seems to care for Soubi and Ritsuka, and in turn, does nothing to harm them. Nagisa is unashamedly biased towards Youji, often ignoring Natsuo. According to Youji, this is because he bears a significant resemblance to Nagisa's younger sister. In one of the Zero-sum chapters, they are told to defeat Seimei. But because of the other's unusual power with words, the Zero team was rendered practically useless.
