Netflix has released the first trailer for Sex Education season 2, which is set to hit the streamer on January 17. Written and created by Laurie Nunn, the series stars a perpetually twitchy Asa Butterfield as Otis Milburn, a socially inept high schooler who becomes the student population's go-to sex therapist thanks to common sense and what he's gleaned from his actual sex therapist mother, Jean Milburn (Gillian Anderson). Sex Education season 1 was a charming-as-hell surprise that ended up being a stand-out comedy for 2019. The series traffics in pretty well-worn territory—…