23.5

23.5 (23.5 องศาที่โลกเอียง; ; lit. The Earth's Axis Tilts by 23.5 Degrees) is a Thai romantic comedy television series starring Pansa Vosbein and Pattranite Limpatiyakorn. Adapted from the novel of the same name, the series follows the story of Ongsa, a shy transfer student who befriends Sun, one of the most popular girls at her new school, on social media using the pseudonym “Earth.” Directed by Kanittha Kwanyu, and produced by GMMTV, it premiered on GMM 25 and the GMMTV YouTube channel on March 8, 2024, and ran until May 24, 2024. It was one of GMMTV's first major girls' love series.

Synopsis
Ongsa starts her new high school life as an awkward transfer student, but things quickly change when Ongsa uses the Instagram name Earth to talk to her classmate Sun, who happens to be one of the most popular girls at school. However Ongsa's username lead Sun to believe she is actually talking to a guy. Not wanting to give up the opportunity to keep talking to Sun, Ongsa keeps her identity a secret and continues talking as Earth.

Cast
Main
 * Pansa Vosbein as Ongsa / Earth
 * Pattranite Limpatiyakorn as Sun

Supporting
 * Benyapa Jeenprasom as Aylin Kuea-ari
 * Wanwimol Jaenasavamethee as Luna
 * Rutricha Phapakithi as Alpha
 * Preeyaphat Lawsuwansiri as Charoen
 * Allan Asawasuebsakul as Tinh
 * Chayapol Jutamas as Ton
 * Thanaset Suriyapornchaikul as Mawin
 * Tachakorn Boonlupyanun as Nida
 * Kittipat Chalaragse as Bambam

Production
A concept trailer was released on November 22, 2022. Norawit Titicharoenrak and Nattawat Jirochtikul were initially cast in the project, however GMMTV announced on July 19, 2023, that both actors would no longer take part in 23.5 in order to prepare for their roles in a new series together.

Filming for 23.5 finished in November, 2023, and the official trailer was released on February 23, 2024.

Reception
Frank Hecker, a staff writer at Okazu, gave the series an overall 8 out of 10, praising it and noting that "those familiar with mistaken identity romances know how this will end, but the journey on the way is quite enjoyable, thanks in large part to the central couple. As portrayed by Love, Sun is one of the most adorable and charming love interests ever to grace this solar system, while Milk’s Ongsa is completely endearing as she veers from giddy infatuation to agonized embarrassment."