: Fujiko F. Fujio established Shizuka as someone who simply loves taking baths several times a day. Comedy of Errors
If you're looking for information on a specific scene, episode, or aspect of "Doraemon" featuring Shizuka, I recommend checking: Shizuka Bathing Nude Scene In Doraemon
Deviates slightly from the tradition by featuring Shizuka taking a shower rather than a bath. Doraemon: Nobita's Dinosaur : Fujiko F