Bad Thinking Diary ((new)) -

: By focusing on a diary format, the story could provide deep insights into the protagonist's thoughts, feelings, and motivations. This introspective approach might make for a character-driven narrative that explores the inner workings of someone struggling with negative thoughts.

: Reviewers on The StoryGraph and Reddit consistently praise the gorgeous character designs and high-quality art.

The webtoon utilizes warm, hazy tones for romantic or dreamlike sequences, shifting to cold, sharp contrasts during moments of jealousy or betrayal. Bad Thinking Diary

If you enjoy series like What Does the Fox Say? or The Third Party , you will find the atmosphere of Bad Thinking Diary right up your alley. It is a sleek, modern exploration of how the people we love the most are often the ones who can mess with our heads the most.

: Some fans felt the ending was rushed or left certain plot points (like Hye-ra's arc) unsatisfactorily resolved. Final Verdict : By focusing on a diary format, the

The protagonist doesn’t just record events; she records her worst interpretations of them. Every delayed text message, every unreadable glance, every whisper between colleagues is filtered through a lens of low self-worth. The "bad thinking" refers to the cognitive distortions we all suffer from: mind-reading (assuming we know what others think), catastrophizing (assuming the worst outcome), and disqualifying the positive (rejecting good news as a fluke).

It wouldn't be a successful piece of art if it didn't spark a passionate conversation, and Bad Thinking Diary has certainly done that. The fandom is split into two very vocal camps: those who love it and those who are frustrated by it. The webtoon utilizes warm, hazy tones for romantic

The core conflict of Bad Thinking Diary stems from this transition. The characters struggle to balance their raw physical desires with the terrifying fear of destroying the childhood friendship they both cherish. Main Characters

By the end of the narrative arc (spoilers avoided), the diary doesn't necessarily disappear. The bad thoughts don't stop entirely. But the protagonist learns to stop treating every thought as a fact. She learns to close the diary, take a breath, and look at the person in front of her rather than the monster she painted in her head.

No romantic drama is complete without an obstacle, and Bad Thinking Diary delivers a memorable one in Oh Hye-ra. With her distinctive pink hair and provocative style, Hye-ra is a manipulator who thrives on controlling the relationships of those around her. Nursing a secret crush on Yu-na, Hye-ra devises a plan to break up Min-ji and Yu-na. Her presence injects a dose of scheming chaos into the narrative, representing the external pressures that threaten the protagonists' fragile new bond.