Chapter 1 Welcome to the Mystery Research Club
Chapter 2 Mysteries and the meaning of life
Chapter 3 The Mysteries of Linking
Chapter 4 Mysteries and Walls of the Mind
Chapter 5 The Mystery of Transparency
Chapter 6 The Mystery of the Pigeon
Chapter 7 The Mystery of Motivation
Chapter 8 Mysteries and the Night at School
Chapter 9 The Mystery of Public Morals
Chapter 10 The Mystery of Invisibility
Chapter 11 The Mystery of Matsuko
Chapter 12 The Mystery of Indecency
Chapter 13 The Mystery of Effort
Chapter 14 The Mystery of The Canteen
Chapter 15 The Mystery of The 5 Yen Coin
Chapter 16 The Mystery of Leaving the Club
Chapter 17 The Mystery of Daisuke's Absence
Chapter 18 The Mystery of The Umbrella
Chapter 19 The Mystery of Nursing
Chapter 20 The Mystery of the Advisor
Chapter 21 The Mystery of the Club Objective
Chapter 22 The Mystery of Wasps
Chapter 23 The Mystery of Ghost Photography
Chapter 24 The Mystery of Good Health
Chapter 25 The Mystery of Physical Examination
Chapter 26 The Mystery of Hay Fever
Chapter 27 The Mystery of Flower Viewing
Chapter 28 The Mystery of The Mask
Chapter 29 The Mystery of Honesty
Chapter 30 The Mystery of Good Fortune
Chapter 31 The Mystery of Divination
Chapter 32 The Mystery of the Fan Club
Chapter 33 The Mystery of The Kids Lunch
Chapter 34 The Mystery of The Zipper
Chapter 35 The Mystery of Hiccups
Chapter 36 The Mystery of The Bear
Chapter 37 The Mystery of Uniform Change
Chapter 38 The Mystery of the Newspaper Club
Chapter 39 The Mystery of Substitution
Chapter 40 The Mystery of Homemade Bento
Chapter 41 The Mystery of the Pool
Chapter 42 The Mystery of the Locker
Chapter 43 The Mystery of Rhinoceros Beetles
Chapter 44 The Mystery of Watermelon Splitting
Chapter 45 The Mystery of the Summer Festival
Chapter 46 The Mystery of Homework
Chapter 47 The Mystery of Cafes
Chapter 48 The Mystery of Science
Chapter 49 The Mystery of Hawaii
Chapter 50 The Mystery of the New Storehouse