Tamano is not a very bright person as she tends to forget to wear a skirt when she leaves or is unaware of things that seem to be common sense usually when it comes to modesty. Though she is knowledgeable about stuff like pregnacy. Her most notable trait is that she's a very kind woman who's never shown any ill will toward anyone even perverts.
After a meeting, she and Takeshi go inspect the baths where she went naked. This leads them to taking a bath together and then having sex. This is where she reveals that Takeshi is the first man she had sex with.