One popular 'naruto almost kills himself' fanfiction might be 'The Brink of Despair'. In it, Naruto faces extreme emotional turmoil after a major loss and comes dangerously close to self - harm. However, his friends' memories and his unwavering will to protect the village eventually pull him back from the edge.
There's a fanfic where Naruto is under a powerful genjutsu that makes him see himself as a failure. He is so distraught that he almost takes his own life. But Sakura, using her medical ninjutsu skills, manages to break the genjutsu just in time. It shows how Naruto's mental state can be pushed to the limit and the importance of his friends in his life.
Chapter 346, "Formidable Soldiers and Brave Generals, One Against Three, Reason Behind the Beast Tide", is the clearest early answer because it turns Liu Yuan's situation into a concrete plot event. The setup is The beast tide in the Arrow Bamboo Forest has been going on for so..., but the pressure keeps building through It's not just Xia Chuan, but anyone who has ever ventured outside of....
Chapter 165, "Boom! Jiang Yan is actually Su Yinwan's fanboy?!", is the clearest early answer because it turns Jiang's situation into a concrete plot event.
Chapter 328, "An Unexplainable Unease, Jade Dew Stone, Li Xuanling's Panic", is the clearest early answer because it turns Jade Dew Stone's situation into a concrete plot event. The chapter turns that into something concrete by moving from After shouting, he immediately dropped the rope, kicked against the... to The Jade Dew Stone first touched the Heavenly Transformation Sword,....
Chapter 150, "Has She Been Cursed?!", is the clearest early answer because it turns Upon's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Upon hearing the first part of Jiang Li's words, Zhang Cheng...
Chapter 98, "Jiang Li is So Daring!", is the clearest early answer because it turns Lai Fu's situation into a concrete plot event. The chapter turns that into something concrete by moving from Jiang Li listened to the end and didn't have much of a reaction, only...
Chapter 84, "Is it Just About Having Hands?", is the clearest early answer because it turns Wen Jiaojiao's situation into a concrete plot event. A useful checkpoint is the way the scene starts with When the villagers tasted his curry beef one by one, their faces...
Chapter 255, "Daton Festival", is the clearest early answer because it turns Daton Festival Daton's situation into a concrete plot event.
Chapter 331, "Zhu Shun and Huang Tianxi, the 3rd Year Cold Yuan Banquet of Great Xia, and Xia Yuzong (Part 4)", is the clearest early answer because it turns Huang Tianxi's situation into a concrete plot event. Early on, Follow me closely, don't get lost; why are there so many people?" Zhu.... By the end, The armrests on the Lord's chairs have eyes made of High-level Beast....
Chapter 384, "To celebrate my selection, live streaming tomorrow night.", is the clearest early answer because it turns Days's situation into a concrete plot event. Early on, How much funding are you expecting?" After reviewing the documents,....
Chapter 113, "Morning Exercise Check-in Group!", is the clearest early answer because it turns Group's situation into a concrete plot event. The chapter gives readers a real answer by opening on The next day, Jiang Lili was up before dawn as usual.