The heroine is 13 years old. She looks innocent but behaves like a rotten girl. She has a strong heart and longs for friendship and love. After discovering her parents' secret, she is sent to the world of "protecting sweethearts". . . And so it all began. . . . . . . . . (This article will not be a nympho or a noob, because Mo himself doesn't like noobs + nymphos)