honoka and anju are copies of his wife and daughter made with their genetic material. when he reveals his true identity to haku he also reveals that he is dying, and wants haku to take over for him and restore mankind. his invasion of tusukuru is to gain access to the ruins under onkamiyamukai, but he is assassinated via poison before this can be accomplished and the invasion fails. he is seemingly slightly senile due to his age, and cannot recall his brother's name, and ends up just calling him haku.