After years of being cooped up at home, Ah-Yeong finally lands a job as a café manager—thanks to a friend—and moves into her first apartment. Wanting to be a friendly neighbor, she brings cookies to the guy next door… only to discover he’s none other than Wujin, the student she used to tutor ten years ago! What starts as a casual reunion soon turns into regular dinners and cozy evenings together. But one night, while Ah-Yeong is distracted prepping dinner, Wujin accidentally knocks over a box—and out rolls a very intimate gift from her friend: a dildo. Mortified, Ah-Yeong scrambles to hide it, but Wujin just smiles and says, “As your former student, I feel it’s only right I help out.” Excuse me?! When did this shy little student grow up—and how did this become that kind of tutoring? This definitely wasn’t in the lesson plan…