Manga by author Ohmi Tomu - Status ongoing

At first, she might seem just a cute girl, pretty like a doll, but as soon as she opens her mouth, it becomes clear that she's a really shrewd and independent girl! Her name is Koume and she has a "date with destiny!" She meets one very cool "tiger-master" and one very hot "tiger-tamer" and they are both handsome young men... But what is the truth about them?-- Aerandria Scans

When she was little, Chizuru lived in the house where her mother worked as a housekeeper and played all day with Yukihiko, the little lord of the Black Ivy Mansion. At some point she had to leave, and when she returns some years later she meets Yukihiko again. He invites her back into his house. But the mansion hides a terrible secret that Chizuru doesn't know