Female Detective and Eccentric Writer

A high school sophomore girl who loves mystery novels × a weird mystery writer with extremely poor sales, will take you to solve the case happily! A high school girl who fell from the sky and the mysterious blood letter "X"! Detective solving puzzles to pass the time? Appears in a room full of ghost paintings The brutally shot corpse! Strange and bizarre events, let this weird handsome man who bites raw coffee beans clarify all the truth! Ah haha! Teacher, something happened! !