[ONGOING] Book 2: Six girls trying their best to reunite while going against the odds. With the assistance of section 01s moonbyul and solar, will they be able to solve this mysterious case? (Gfriend x Mamamoo)[COMPLETED] Book 1: Moonbyul an experienced and talented police officer despite of her young age. Solar, a rookie who is newly assigned to section 01. The truth unfolds as moonbyul tries her best to put the pieces back together.     Foreword