Ko-Ko, the Head Executioner of Titipu, plans to commit suicide upon learning that the title character plans to visit because he has not committed a single execution.  
In Act I of this opera, the song "As Someday it May Happen" goes through a "little list" of the singer's many irritations with society, two of which are "the nigger serenader" and "the lady novelist."  Following the relative failure of "Princess Ida," Richard d'Oyly Carte gave the composers a six-month deadline in which to produce this opera.  The title character of this opera sings "See how the Fates their gifts allot" near the end of Act II, which is set in Ko-Ko's garden.  Ko-Ko, the Head Executioner of Titipu, plans to commit suicide upon learning that the title character plans to visit because he has not committed a single execution.  The ineffectual Ko-Ko ends up marrying Katisha, but only after being unable to marry Yum-Yum, who has married Nanki-Poo, the son of the title character.  FTP, name this pseudo-Japanese Gilbert and Sullivan comic opera, their ninth collaboration.
In Act I of this opera, the song "As Someday it May Happen" goes through a "little list" of the singer's many irritations with society, two of which are "the nigger serenader" and "the lady novelist."  
The Mikado