The Mikado of the title character as a disrespectful representation of the revered Meiji Emperor; Japanese theatre was prohibited from depicting the emperor on stage. Japanese Prince Komatsu Akihito, who saw an 1886 production in London, took no offence. When Prince Fushimi Sadanaru made a state visit in 1907, the British government banned performances of "The Mikado" from London for six weeks, fearing that the play might offend him – a manoeuvre that backfired when the prince complained that he had hoped to see "The Mikado" during his stay. A Japanese journalist covering the prince's stay attended a proscribed performance and confessed
The Mikado "who eat peppermint and puff it in your face". Yum-Yum appears with Ko-Ko's other two wards, Peep-Bo and Pitti-Sing ("Comes a train of little ladies", "Three little maids from school"). Pooh-Bah does not think that the girls have shown him enough respect ("So please you, sir"). Nanki-Poo arrives and informs Ko-Ko of his love for Yum-Yum. Ko-Ko sends him away, but Nanki-Poo manages to meet with his beloved and reveals his secret to Yum-Yum: he is the son and heir of the Mikado, but travels in disguise to avoid the amorous advances of Katisha, an elderly lady of his father's