Tetsuko Okuhira (オクヒラテツコ, Okuhira Tetsuko, born 30 June 1995, in Osaka Prefecture) is a Japanese fashion model, tarento and singer. She is represented by Starray Production. Her nickname is Peco (ぺこ, Peko). She was once a member of Yoshimoto Creative Agency in Osaka.
In July 2010, Okuhira was elected as one of the PR Girls in Welcome TV's "Glico Giant Caprico PR Girls Audition".
In April 2011, she enrolled to NSC Josei Tarento Course.
In April 2012, Okuhira joined the Yoshimoto girl unit Tsubomi. When she joined Yoshimoto's Tsubomi she was active in the comic combination "Sakuranbo". They had an experience of entering the second preliminaries of the MBS Manzai Awards in 2012.
After graduating from Tsubomi Okuhira turned into a reader model, and renamed to her current stage name and appeared in Zipper and HR. She also served as an image girl in Tenshi no Tsubasa.
In 17 September 2014 Okuhira's started her music career with the single "Peco Ondo" in the name peco.
In September 2015, in the variety showOnna no Karada Atari Search Bangumi: Naze? Soko? she was introduced as Charisma Model Shitennō along with Nicole Fujita, Miyu Ikeda and Chisato Yoshiki. Later in the same month, Okuhira appeared in Gyōretsu no Dekiru Hōritsusōdansho alongside Ryucheru, and since then, they appeared together in various variety shows.
In 31 December 2016, she announced her marriage with Ryucheru.