Definitely not. It's a very unusual combination of words that doesn't seem to fit into any common idiomatic or phraseological patterns. It seems more like something that would be made up for a very specific, and probably rather strange, piece of writing or storytelling.
No. It's not a common phrase at all. I've never heard it used in normal, everyday language or in mainstream literature or media.
Hardly. Common phrases are ones that are widely recognized and used in general communication. 'Gut full of cum story' is not something that would come up in typical conversations, in educational materials, or in most forms of popular culture. It's so out of the ordinary that it's highly unlikely to be a common phrase.
Chapter 596, "Then Blow Them All Up", is the clearest early answer because it turns Jiang Cheng's situation into a concrete plot event. The chapter gives readers a real answer by opening on Jiang Li shook his head without any expression.
Chapter 680, "One Hundred Million has been credited to your Alipay account!", is the clearest early answer because it turns Everyone's situation into a concrete plot event. It opens with Who would have thought, the man just grabbed his phone and smashed it...
Chapter 466, "Are There Really Wild Boars?!", is the clearest early answer because it turns Bai Lu's situation into a concrete plot event. Early on, The lady sure acts like a lady, even in 'Wilderness Survival' she....
Chapter 648, "Even Wild Boars Make Way!", is the clearest early answer because it turns Gu Yu's situation into a concrete plot event. Early on, Jiang Li also casually picked up a tree branch and then directly.... By the end, This is just a program performance!] Jiang Li and Brother Pei....
Chapter 714, "I'm Using Voice Input", is the clearest early answer because it turns Jiang Shixu's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Jiang Li looked at Jiang Mingyu, who appeared deeply hurt, and...
Chapter 941, "In Which Year Did the River Moon First Shine on People [Extra · River Moon Edition]", is the clearest early answer because it turns Shang Shuyue's situation into a concrete plot event.
Chapter 783, "I'll Fight it Out with You Rich People!", is the clearest early answer because the buildup finally cashes out in a real clash. The chapter turns that into something concrete by moving from As soon as Qingyang finished speaking, everyone's mentality in the...
Chapter 367, "Help Me Call the Police", is the clearest early answer because it turns Jiang Yan's situation into a concrete plot event. The chapter gives readers a real answer by opening on However, before they could approach, another loud "bang" sounded as...
Chapter 756, "Birthday Banquet", is the clearest early answer because it turns Bai Lu's situation into a concrete plot event. A useful checkpoint is the way the scene starts with On the day of the birthday celebration, the Jiang Family got up early.
Chapter 729, "Beauties Often Have Tragic Fates", is the clearest early answer because it turns Seeing Jiang Li's situation into a concrete plot event.