A wave crashes into a woman, transforming her into an old woman! The wave washes away all of the woman’s makeup, revealing her to be an old woman. The makeup she had on made her appear to be a much younger woman, but once the wave washed away her makeup, she was revealed for the old woman she is.
In an attempt to distract you from the fact that she is actually an old woman, the old woman starts to baa (ば) and act like a sheep. The old woman goes “Baa! Baa!” and hops around on all fours like a sheep.
Currently there are no similar looking kanji which exist in the WaniKani learning system