白バラ連続殺人事件

"The white rose is a blood curse... Its petals are soaked and stained red by blood.
Someday, the bell will toll and all will be swept by ruin.
When the white rose wilts, all evil and curses must disappear... A.M."

Just one week after receiving this bizarre letter, the Hanayama family discovers a body at their mansion. You and your assistant return to get to the bottom of this case.