Being sentenced to a lifetime in prison at the young age of 13 completely changed Jeon Jungkook's life and 7 years later, when an Inspector turns up, he can only dwell on his mistakes that can never be unmade.  

Tao is starting his second term of Year 12 (11th Grade) at high school and he has decided to start writing a diary. His life is pretty miserable, until a strange 'new guy' turns up in his tutor and math class. Could Tao be able to find a new friend and get any chances of living a happy life? Some cursing involved.