The Magician must protect the Knight. That is the first law of the blood oath. However, Mona Flotan hates her knight; Eam Bealo, the heir of long standing prestigious chivalry house. Although once a childhood friend, they gradually stopped talking to each other for more than half a year. But one day, Eam suddenly will go on a dangerous mission. Without solving anything between them, will Mona let go and forever regret her decision? Or will she run and finally stand by her beloved knight as it ...

Mona and Eam shared a deep bond since the first they met. But, with the blood oath, everything just changed. Differences in background and expectations just can not be met. Mona gets angry and disappointed, especially to herself. As the result, their relationship is stretched for some time. One day, Mona heard Eam will go on a mission. Moved by this, Mona pursue Eam without much thought. However, what is waiting is not just only problems between the two of them.. ...