A marriage that started unexpectedly brought two immature people together hastily. He revealed his unique dependence on her after marriage, and she found value in being needed. However, a misunderstanding about "trust" caused this castle in the air to collapse. In five years, she lost her youth and built her own kingdom between flour and oven; while he learned to mature after losing her, and determined to find his lost lover again in the clumsiest and most sincere way.