Miae and Cheol briefly knew each other years ago. Now he has transferred to her school, lives next door, and everyone is already calling them a couple. He avoids her and she cannot figure out why. By Soonkki, also known for Cheese in the Trap. Set in the 1990s, ongoing every Sunday.

Read After School Lessons for Unripe Apples chapters in English, updated regularly. Also known as: 세기말 풋사과 보습학원 · Segimal Putsagwa Boseupagwon · 90s Cram School for Unripe Apples · 20th Century Green Apple School