Synopsis: Don't Raise a Brat!

After meeting in an elective class, Do-yoon and Joo-an became a miracle couple. However, Joo-an turned out to be a male submissive—specifically, what is known as a brat. Do-yoon was a complete vanilla who knew nothing of BDSM, but he began studying the lifestyle just to keep his relationship with Joo-an alive. Now that they have reached their first anniversary, what does the provocative daily life of these two look like?