Aa, Ojou-sama

Rei cries out to the sea, "I'm terribly disappointed!" His parents have gone missing, leaving their debts to him. He suddenly remembers his good old days..., his childhood friend, Kaori. But it's all gone. He throws himself into the sea.... When he wakes up, he finds himself on the beach and is saved by Kaori, who happens to go by. She is happy because she thinks he comes back to keep their promise, "Let's get married, when we grow up!" She takes him to her house. He tells her about what happened to him, and Kaori pays off his debts instantly. "You are mine now. Watch your language." While he is at a loss, she decides that he goes to her school together as her butler....