Alisa's lived on an island her entire life. She's the illegitimate child of a rich, old man. When he dies, he leaves her 10% of his money, donates 85% of it, and leaves the remaining 5% to his 3 ex-wives and their children. Obviously, the families are annoyed, after all, the millionaire hasn't even seen Alisa in 10 years! As she comes for the first time off of her island, they plot to get her money in any way possible. (Source: Mangafox)
