What is the meaning of the verb DESU ?

Question:

why childish characters used and women?

Answer:

In Japanese, Desu roughly corresponds to the English verb "to be" and can mean "it is" "we are" "they are" etc depending on the context.

For example, Tokyo desu means "It's Tokyo".

An Introduction to Modern Japanese by Osamu Mizutani & Nobuko Mizutani
http://japan-australia.blogspot.com/2011…