Pretty Boy Detective Club Bishounen Tanteidan

Mayumi Doujima is a young girl who has been searching for a star that she saw only once ten years ago. She visits the headquarters of the Pretty Boy Detective Club where she meets five boys who are each unique in their own way. Her encounter marks the beginning of an extraordinary search for a lost star. A beautiful and dazzling mystery-adventure story starts now!

(Source: Funimation)