There's a boy named Yoongi, a fifth grader, he's tall and loves to rap a lot, he may look mean and big, but in the heart he's a sweet and gentle person. And then there's a boy named Jimin, a fifth grader too, he's short and loves to read books, he's a very happy kid with good scores, he never had his first crush yet, not until he laid eyes on a certain someone.

      Jungkook, a seven year old kid who starts his first day in elementary, as usual, not wanting to go to school, not until a boy named Taehyung, an eight year old idiotic child convinces the young latter to join school.