(Image Source - Japanese Folktale: The Mouse's Marriage)
M0212 = Perry619. Source: Romulus Anglicus 116 (shortened). This is Perry 619 and it also appears in the Panchatantra tradition. In a variation (Hervieux IV p. 386), a cat shows up at the wedding feast and eats the newly married couple. For the mouse who wanted to marry a lion, see #209.