There are quite a few fanfiction communities out there. Fanfiction.net could also be a place to look for 'Blaise protects Harry' fanfiction. However, the quality and content can vary greatly. You might have to sift through a few to find ones that really catch your interest. Some might focus more on their friendship development, while others could have a more action - packed plot where Blaise is really in a protective role.
I'm not sure of specific 'Blaise protects Harry' fanfictions off the top of my head. But you can try searching on popular fanfiction websites like Archive of Our Own. Just type in 'Blaise protects Harry' in the search bar and you'll likely find some interesting stories.
Chapter 778, "The Gift of Being a Director", is the clearest early answer because it turns Chen Taifan's situation into a concrete plot event. It opens with Shiguang, I really misjudged you, you're actually this kind of...
Chapter 713, "Uncle Will Owe You for Life", is the clearest early answer because it turns God Jiang's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Jiang Li raised her head and was startled by Zhao Lang's smiling eyes.
Chapter 915, "Take out 1 million!", 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 Hong Pei's expression was very unpleasant. and follows through with Why would he need so much money?.
Chapter 732, "Sister Xiao Wan, I Don't Understand", is the clearest early answer because it turns Sister Xiao Wan's situation into a concrete plot event. It opens with Bai Lu, eavesdropping in the corner, marveled at Jiang Cheng's...
Chapter 533, "Sister Li, When Did You Become a Clamp?!", is the clearest early answer because it turns Miss Jiang's situation into a concrete plot event. The chapter gives readers a real answer by opening on The sycophant had gone crazy too.
The best chapter pointer here is Chapter 12, "Drunk to the point of not being able to distinguish people after just two bottles?". It opens with Qin?" Jiang Li called out twice, and only then did Mrs. and closes on The glass shattered on the floor with a crash, attracting the attention of....
Chapter 574, "They Are Ill-fated", is the clearest early answer because it turns Ai Xiaochun's situation into a concrete plot event. The chapter gives readers a real answer by opening on Sister Li really gave it to her!" "No wonder she's my Sister Li,...
Chapter 788, "Don’t be so fierce, I'm scared", is the clearest early answer because it turns Lu Yafei's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Song Xue covered her mouth in shock. and follows through with I hope it can help me atone..
Chapter 860, "Is your friend feeling unwell?", is the clearest early answer because it turns Senior Brother's situation into a concrete plot event. The chapter turns that into something concrete by moving from Beside him, Chang Song: "...." At least talk behind people's backs.
Chapter 724, "He Is Not Minghai's Child", is the clearest early answer because it turns Jiang Cheng's situation into a concrete plot event. The chapter turns that into something concrete by moving from Jiang Yan's statement left everyone silent again.