Yoko is a girl from Littner village who pursued the Gunmen that invaded Jeeha village. She carries an array of firearms such as a long-range sniper rifle modeled after Barrett M82, and handguns for mid or close combat situations. Despite being in the same age group as Simon, Yoko is more mature and considered one of the rational members of their team.
Despite always badmouthing Kamina for his reckless behavior, it did not take long for her to confess her feelings to him, which he returns. She was also Simon's love interest, until Simon discovered that she was in love with Kamina. He seems to have given up on her since meeting Nia. In episode 13 she proceeds to tell Simon that she was in love with Kamina in which Simon replied that he already knew.
Despite always badmouthing Kamina for his reckless behavior, it did not take long for her to confess her feelings to him, which he returns. She was also Simons love interest, until Simon discovered that she was in love with Kamina. He seems to have given up on her since meeting Nia. In episode 13, she proceeds to tell Simon that she was in love with Kamina, in which Simon replied that he already knew.
21 (second half)
After the war, Yoko decided to not take part in the administration of Kamina City and decided to become a school teacher for the first new children born on the surface, but not before asking Simon to take care of Nia.After the war with the Anti-Spiral, Yoko became principal of the school she once taught at.