SOTUS S is a 2017–2018 Thai boys' love television series starring Perawat Sangpotirat and Prachaya Ruangroj. A prequel to SOTUS, it is an adaptation of the novel of same name by Bittersweet. Directed by Jane Botta and produced by GMMTV together with Bear House Production, the series was showcased by GMMTV in their 6 Natures+ event on 2 March 2017. It premiered on One31 and LINE TV on 9 December 2017, airing on Saturdays at 22:15 and 23:15, respectively. The series concluded on 10 March 2018.