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