Bad Thinking Diary [hot] May 2026

Bad Thinking Diary is a popular South Korean Girls' Love (GL) manhwa

(comic) that has also inspired a practical mental health tool of the same name. While the story centers on the intense emotional and romantic tension between lifelong friends

, the term has evolved into a recognized journaling technique for identifying and reframing negative cognitive patterns. The Story: Love, Tension, and "Bad" Thoughts The manhwa, written and illustrated by

, follows the evolving relationship between college students Yuna and Minji. The Conflict:

Having been best friends since childhood, the two struggle with "bad thoughts"—secret romantic and sexual desires for one another that threaten their platonic bond. Character Dynamics:

Much of the drama stems from their inability to communicate these feelings, leading to misunderstandings and emotional turmoil. Availability: The series is widely discussed on platforms like TikTok Shop

, where fans track the latest chapters and character developments. The Tool: A Diary for Mental Clarity Beyond the comic, a "Bad Thinking Diary" is used as a structured journaling tool

designed to help individuals manage overthinking and anxiety. bad thinking diary manhwa - TikTok Shop bad thinking diary manhwa - TikTok Shop. bad thinking diary author - TikTok Shop

Beyond the Spiral: Understanding the "Bad Thinking Diary" and How to Rewire Your Inner Critic

In the age of self-improvement, we are often told to "journal our feelings." We buy beautiful leather-bound notebooks and expensive fountain pens, ready to pour out our souls. But for many of us, something strange happens when the pen hits the paper. Instead of manifesting gratitude and clarity, we begin to document a trial. We list our failures, obsess over conversations we had three years ago, and rehearse arguments that haven’t happened yet.

If this sounds familiar, you aren't keeping a diary. You are keeping a Bad Thinking Diary.

A "Bad Thinking Diary" is not a product you can buy; it is a cognitive habit. It is the mental record of cognitive distortions—the irrational, negative thought patterns that play on loop in our minds. This article explores what a Bad Thinking Diary is, the psychological science behind why our brains create one, and the practical steps to burn that diary and write a new, more rational narrative.

1. The Automatic Thought Log

Record the “bad thinking” as it happens.

Example Cover or Page Quote Ideas

“Just because you think it, doesn’t make it true.”

“Your first thought is a reflex. Your second thought is a choice.”

“The diary doesn’t judge the bad thinking — it just helps you rewrite it.”

Would you like this formatted as a printable PDF journal layout, a Notion template, or a 30-day challenge calendar?

Bad Thinking Diary is a popular GL (Girls' Love) manhwa written by Hodan and illustrated by Rangrarii. The story focuses on the evolving relationship between two long-time best friends as they transition from a platonic bond into a romantic and physical one while navigating college life. Story Summary Bad Thinking Diary

The narrative centers on Kim Minji and Kang Yuna, who have been inseparable since high school. Their relationship begins to shift when Minji starts having vivid, "bad" dreams about Yuna, leading to feelings of obsession and unrequited love. As they both struggle with these new emotions, their lack of communication creates significant drama and misunderstandings. The primary conflict is driven by:

The Communication Gap: Both leads struggle to express their feelings, leading to frequent tension and poor decision-making.

Oh Hyera: The main antagonist who actively schemes to sabotage Minji and Yuna's relationship for her own amusement.

External Rivalries: Secondary characters like Cho Minjae and Han Jihoon add additional layers of jealousy and past romantic interests. Main Characters

Kim Minji: An extroverted and somewhat naive 21-year-old student whose sudden dreams about Yuna spark the series' central conflict.

Kang Yuna: Minji's introverted best friend of four years. She eventually enters a relationship with Minji but struggles with the same "bad thoughts" and jealousy.

Oh Hyera: A manipulative antagonist who introduces suspense by trying to drive a wedge between the main couple. Critical Reception

The series is widely known in the Yuri community for its high-quality art but polarizing narrative.

Bad Thinking Diary is a popular Girls’ Love (GL) manhwa that explores the intense, often messy transition from childhood friendship to romantic obsession. Available on platforms like Lezhin Comics

, it has gained a following for its high-quality art and psychological drama. Here is a draft for a solid, balanced review of the series: Review: A Sultry, Psychological Dive into "Bad Thoughts" The story follows long-time best friends

, whose comfortable college life is derailed when Minji begins having "bad thoughts"—vivid, erotic dreams—about Yuna. This shift triggers a downward spiral of miscommunication, jealousy, and manipulation, especially when a third party, , enters the mix to stir the pot. What Works Top-Tier Art:

The visual presentation is easily one of its strongest points. The character designs for Minji and Yuna are striking, and the "dream sequences" are rendered with a hazy, atmospheric quality that effectively blurs the line between reality and fantasy. The "Friends-to-Obsessed" Dynamic: Unlike lighthearted romances, this series leans into the possessiveness

and anxiety that come when a friendship becomes "too much." It captures the fear of losing someone while simultaneously wanting to consume them. Refreshing Perspective:

The focus on internal thought processes makes the everyday drama feel more urgent and "extraordinary". What to Consider High Drama & Toxicity: This is not a "fluff" series. The plot is heavily driven by miscommunication

and outside interference. If you prefer healthy, straightforward communication, the "thinking" (or lack thereof) in this diary might be frustrating. Mature Content:

It features intense, hormonal GL scenes. It is intended for a mature audience who enjoys psychological romance rather than just a simple slice-of-life. Final Verdict Bad Thinking Diary Bad Thinking Diary is a popular South Korean

is a must-read for GL fans who enjoy high-stakes drama and "messy" relationships. It’s a beautifully drawn exploration of how quickly a "good" friendship can turn into a "bad" obsession. Rating: 4/5 Stars Further Exploration

Read more about the series’ themes and character development on Lezhin Comics’ breakdown Check out reader summaries and reviews on The StoryGraph for community consensus on the plot’s "messiness."

See the visual impact of the characters through cosplay transformations on fan-focused review highlighting the romance? AI responses may include mistakes. Learn more Reviews - Bad Thinking Diary | The StoryGraph

Bad Thinking Diary is a popular South Korean Girls' Love (GL) webtoon by Hodan and Ranglali that focuses on the complex, evolving relationship between college friends Kim Min-ji and Kang Yu-na. Praised for its high-quality art, the series explores intense romantic tension, jealousy, and the transition from friendship to love, often utilizing dramatic, emotional storytelling. Read more about the series on the Bad Thinking Diary - Fandom - Yuri Wiki

Bad Thinking Diary is a girl's love webtoon written by Hodan and illustrated by Rangrari (collectively known as Park Do-han). Min-

Bad Thinking Diary by 호단, Langlali, Park Do-Han - The StoryGraph

Bad Thinking Diary: A Reflective Tool for Identifying and Challenging Unhelpful Thought Patterns

Abstract

The "Bad Thinking Diary" is a reflective tool designed to help individuals identify, monitor, and challenge unhelpful thought patterns that contribute to distress, anxiety, and decreased well-being. This paper describes the concept, structure, and benefits of using a Bad Thinking Diary, providing a practical guide for individuals seeking to improve their mental health and cognitive well-being.

Introduction

Negative thinking patterns, also known as cognitive distortions, can significantly impact an individual's mental health, relationships, and overall quality of life. Common cognitive distortions include black-and-white thinking, catastrophizing, and personalization (Beck, 1977). These unhelpful thought patterns can become automatic and habitual, making it challenging for individuals to recognize and change them. The Bad Thinking Diary offers a structured approach to becoming more aware of these thoughts, evaluating their validity, and developing more balanced and constructive thinking.

The Structure of the Bad Thinking Diary

The Bad Thinking Diary is a simple, daily journaling tool that consists of the following columns:

  1. Date and Time: Record the date and time of the thought.
  2. Situation: Describe the situation that triggered the thought.
  3. Bad Thought: Write down the negative thought that arose.
  4. Emotions: Rate the intensity of emotions associated with the thought (e.g., anxiety, sadness, anger) on a scale of 1-10.
  5. Cognitive Distortion: Identify the type of cognitive distortion (e.g., all-or-nothing thinking, overgeneralization).
  6. Evidence For/Against: Evaluate the thought by gathering evidence that supports or contradicts it.
  7. Alternative Thought: Generate a more balanced, constructive thought to replace the original negative one.

Using the Bad Thinking Diary

To use the Bad Thinking Diary effectively:

  1. Carry a notebook or use a mobile app to record entries throughout the day.
  2. Write down negative thoughts as soon as possible after they occur.
  3. Reflect on the situation and thought, identifying the cognitive distortion.
  4. Gather evidence to evaluate the thought, and generate an alternative, more balanced thought.
  5. Review and reflect on diary entries regularly to identify patterns and progress.

Benefits of the Bad Thinking Diary

The Bad Thinking Diary offers several benefits:

  1. Increased self-awareness: By monitoring and recording negative thoughts, individuals become more aware of their thought patterns and cognitive distortions.
  2. Improved emotional regulation: By identifying and challenging unhelpful thoughts, individuals can better manage their emotions and reduce distress.
  3. Development of more balanced thinking: The diary encourages individuals to generate alternative, more constructive thoughts, promoting more balanced and realistic thinking.
  4. Enhanced problem-solving skills: By evaluating evidence and generating alternative thoughts, individuals develop more effective problem-solving skills.

Conclusion

The Bad Thinking Diary is a practical, reflective tool for identifying and challenging unhelpful thought patterns. By using this diary, individuals can develop greater self-awareness, improve emotional regulation, and cultivate more balanced and constructive thinking. Regular use of the Bad Thinking Diary can lead to improved mental health and well-being, making it a valuable adjunctive tool for individuals seeking to enhance their cognitive and emotional well-being.

References

Beck, A. T. (1977). Cognitive therapy: A new approach to the treatment of depression. New York: Guilford Press.

Burns, D. D. (1999). The feeling good handbook. New York: Plume.

Neziroglu, F., & Anemone, C. (2015). Cognitive-behavioral therapy for adults: A guide to individual and group practice. New York: Springer.

Appendix: Sample Bad Thinking Diary Entry

| Date and Time | Situation | Bad Thought | Emotions | Cognitive Distortion | Evidence For/Against | Alternative Thought | | --- | --- | --- | --- | --- | --- | --- | | 2023-02-15, 10:00 AM | Made a mistake on a project | "I'm a complete failure. I'll never succeed." | Anxiety (8/10) | All-or-nothing thinking | Evidence against: I've succeeded in many projects before; one mistake doesn't define my abilities. | "I made a mistake, but I can learn from it and do better next time." |

Title: Bad Thinking Diary

Premise: Maya has always been the "good girl"—reliable, positive, and the emotional anchor for everyone around her. But underneath the polished veneer, she is exhausted by the pressure to always look on the bright side. On a particularly bad day, she buys a cheap, leather-bound notebook with a singular rule: she is only allowed to write in it when she is thinking "bad thoughts." It starts as a harmless vent, but soon, the diary becomes a confessional for the darker, pettier, and more dangerous parts of her psyche—parts she didn't know she had.

Genre: Psychological Thriller / Drama

2. Overgeneralization

You take one negative event and assume it is a never-ending pattern. You use words like "always," "never," "every time," and "everyone." Bad Thinking Diary Entry: "I parked badly today; I am terrible at everything practical."

1. All-or-Nothing Thinking (Black and White Thinking)

You view situations in only two categories: perfect or a total failure. If you don't get a promotion, you are a failure. If your house isn't spotless, you are a slob. There is no middle ground. Bad Thinking Diary Entry: "I ate one cookie, so I ruined my entire diet."

4. Reframe & Replace

Column 2: The Automatic Thought (The "Bad Thinking")

Write the exact sentence that ran through your mind. Do not edit it. If it is mean, write it down.

2. Metacognitive Separation

A Bad Thinking Diary creates "cognitive defusion." It helps you move from the belief that "I am bad" to the observation that "I am having the thought that I am bad." That tiny shift in language—the addition of "I am having the thought that…"—creates breathing room between you and your anxiety. Beyond the Spiral: Understanding the "Bad Thinking Diary"