He might be initially confused. Naruto is used to dealing with all kinds of opponents and situations, but a yandere Kyuubi would be a new and strange thing for him. He could try to reason with her at first.
At first, Naruto would probably be quite oblivious to the yandere tendencies of the female Kyuubi. He's so focused on his goals like becoming Hokage and protecting the village. But as things start to get out of hand, like if she starts to isolate him, he would start to resist. He values his relationships with his friends and his village, and he wouldn't let her yandere behavior disrupt all that. He might even try to find a way to cure her of her yandere - like behavior if possible, because Naruto always tries to see the good in people and help them.
The best chapter pointer here is Chapter 44, "Laozi's Hands Are Made to Drive a Ferrari!". It opens with But the next move by the production team proved they hadn't forgotten the... and closes on Does anyone here know how to drive?.
A practical answer is Chapter 28, because it turns the idea into a concrete scene. The chapter opens with The next evening, Jiang Yan drove home seething with rage., adds pressure through Fuck, who's there, standing in the middle of the night scaring the shit..., and ends on Lili then kicked his.
Chapter 31 is the strongest chapter-level answer because it starts from Before Shen Lan had reached the backyard, she already heard the sounds of... and follows through on After staying in the study and reading for another day, she finally....
If you want the clearest chapter reference, go to Chapter 36. Early on, But soon, people began to question the authenticity of Jiang Li's bare...; later, the chapter leans on After all, these days, faux bare-faced makeup can be indistinguishable....
If you want the clearest chapter reference, go to Chapter 54. Early on, Five minutes later, the people of Chixia Village, who had received the...; later, the chapter leans on Leading them was the village chief himself..
Chapter 72 is the strongest chapter-level answer because it starts from Jiang Yan was still griping when suddenly a fair hand reached out beside... and follows through on Think about it." Jiang Yan fell silent..
If you want the clearest chapter reference, go to Chapter 56. Early on, Lei Shen originally had no idea about the trending topics on Weibo.; later, the chapter leans on He had been busy renovating his studio for a while and hadn't even had....
Look to Chapter 28 for the clearest answer. It begins with The next evening, Jiang Yan drove home seething with rage., keeps building through Before he even entered the dining room, he shouted angrily, "Lili, you did..., and lands on Lili then kicked his knee hard..
A practical answer is Chapter 26, because it turns the idea into a concrete scene. The chapter opens with Shen Lan was bent over processing a large stack of press briefs on her..., adds pressure through One might ask, looking across the entire entertainment industry, which..., and ends on If you.
The best chapter pointer here is Chapter 43, "How can sitting in business class be this uncomfortable?". It opens with The moment He Yun willingly sat next to Jiang Li and even took off his... and closes on Just as she turned her gaze away, the other party huffed and withdrew her....