Atsushi and the whole gang are about to take to the skies for an extended stay in beautiful Norway! But no one can have any fun 'til the score's settled with a few fussy family members, a couple of confused crushes and a jilted lover to boot! Will this deluxe dream vacation turn into a free-for-all fiasco? And who will still be on speaking terms once everyone finally returns home? Bad Teacher's Equation simmers with the sweet, steamy passion-plays of handsome men and bashful boys! Can a love that begins in innocent attraction turn into an all-consuming romance? And how important is a vicious rumor if you've just gotten to know a new friend? Sometimes you have to throw away the map in order to navigate the twisting, teasing roads of desire!