two sequels). “XO, Kitty” is busier than the simply plotted “To All the Boys,” for better and for worse, but, fans of the films — or viewers hankering for a cute (and very tame) romcom – should find plenty to enjoy and it’s helmed by Jenny Han, who wrote the books on which “To All the Boys” is based.Kitty, now 17, and with her older sisters off in college (they appear in the show in the form of text messages), is ready for her own adventure.A hopeless romantic, she convinces her father (an under-used John Corbett) to send her to the Korean International School of Seoul– which has the overly on-the-nose acronym “KISS.”It also conveniently happens to be her late mother’s alma mater.
