Those Not-So-Sweet Boys Part 1-7 (complete)

The story is about Midori, a hardworking high school girl who secretly has a part-time job to support her family. Because this is against school rules, she gets caught by the principal. However, she is offered a deal: her transgression will be overlooked if she manages to convince three notorious, truant "bad boys" to return to school. One of these boys also turns out to be her secret love. It's a classic, romantic shōjo manga full of humor, drama, and the growing bond between the characters.