Ploibusara Phattarapornpisit, nicknamed Ploy, better known by her penname Bittersweet, is the author of SOTUS and SOTUS S. She also worked as a scriptwriter on the series.
Ploibusara Phattarapornpisit, nicknamed Ploy, better known by her penname Bittersweet, is the author of SOTUS and SOTUS S. She also worked as a scriptwriter on the series.
