Shizuka's friend is an unnamed character in the series. She is commonly credited in the credits as Classmate (クラスメイト Kurasumeito) or Girl (女の子 On'nanoko, literally meaning female child), and is a background character of the series. She has been rumoured by fans as the wife of Dekisugi, due to her striking resembling to the wife and she was seen together with Dekisugi in one episode. Her most prominent appearance was in the episode Gravity Paint, where she has a speaking role and is treated as a supporting character in the episode.
In Episode 609 "Arranging Railway by Myself", she's finally revealed her name as "Tachibana" where the name is displayed on the train route map.
She has brown curly hair. She commonly wears a yellow blouse with a red or orange skirt.
Her clothes sometimes follow a pattern. If she wears a red skirt she is usually wearing orange shoes with it, but if she wears her orange skirt she wears red shoes with it.
RelationshipsGravity Paint. They also appeared together in the 2005 anime episode Suneo is the Ideal Big Brother. They appeared together along with other girls in the 2005 version of Romance in the Snowy Mountain.
Trying to Goodbye, both of them went together to bid farewell to Nobita when he was going to transfer to America.
- In Gravity Paint and the 2005 version of Romance in the Snowy Mountain, she was given a speaking role.
- Chie Nakamura also voiced Hideyo Dekisugi.
- Sometimes she appears with both Yasuo and Haruo
- She is actually the same character model as Paruparu's
- Jamako from 1973 anime is also the same model as her.