Funny Birthday Invitation Title Yamanade!

last few days I lose x order this more or less recent YAMANADE manga!, Shojo is more or less conventional, even I think a mix of Ouran Host Club, Hana Yori Dango and a touch of Ringu (the vercion ring in Japanese) but despite this I find interesting

4 bishonens It is being blackmail by the lessor of the house where they live, to triple the rent if not help her niece to become whole a lady, and so to continue their comfortable lifestyle Sunako decide to accept help. But they did not expect is that the "lady" Sunako is all one case, dressed in a sloppy, afraid of the boys, is locked in dark rooms with human skeletons p