Chapter 23 — Superstition

Eikichi receives a cursed chain letter, but he dismisses it as superstition. After a series of misfortunes, he begins to believe in the letter and does whatever he can (including suggestions from Kanzaki to write spells all over himself) to dispel the curse. (Source: Wikipedia)

Other chapters

Chapter 1: GTO-The Legend Begins
Chapter 2: Enter Uchiyamada!
Chapter 3: Late Night Roof Diving
Chapter 4: The Secret Life of Onizuka
Chapter 5: An Eye for an Eye, a Butt for a Butt
Chapter 6: Conspiracies All Around
Chapter 7: The Mother of all Crushes
Chapter 8: Bungee Jumping Made Easy
Chapter 9: Onizuka and the Art of War
Chapter 10: Outside Looking In
Chapter 11: To Be Idolized by a Nation
Chapter 12: The Formula for Treachery
Chapter 13: Only the Best Will Do
Chapter 14: Between a Rock and a Hard Place
Chapter 15: The Great Sacrifice
Chapter 16: Beauty + Brains = A Dangerous Mix
Chapter 17: Falling for The Great Onizuka
Chapter 18: How to Dine and Dash
Chapter 19: Private Investigations
Chapter 20: Love Letters
Chapter 21: Revolution Everywhere
Chapter 22: The Art of Demolition
Chapter 23: Superstition
Chapter 24: Compromising Positions
Chapter 25: Playing Doctor - GTO Style
Chapter 26: Onizuka Meets His Match
Chapter 27: GTO - Agent to the Stars
Chapter 28: Whatever Can Go Wrong, Will Go Wrong
Chapter 29: Studies in High Finance
Chapter 30: Money Talks, GTO Walks
Chapter 31: Destination: Okinawa
Chapter 32: The Law of Probability
Chapter 33: Search and Rescue
Chapter 34: Good Cop/Bad Cop
Chapter 35: Wedding Bell Blues
Chapter 36: Self-Improvement
Chapter 37: Living Together
Chapter 38: Great Treasure Okinawa
Chapter 39: Alone in the Dark
Chapter 40: Matters of the Heart
Chapter 41: Confessions
Chapter 42: Old Wounds Revisited
Chapter 43: Onizuka's Final Battle