You could also search for it on your local library's digital collection. Sometimes they offer a wide range of e-books and light novels. Another option is to check with bookstores that sell digital content. Good luck finding it!
You can try looking on popular online reading platforms like Kindle or Kobo. They might have it available for purchase or subscription.
Some dedicated light novel websites might have 'Maseki Gurume'. Check out sites like Webnovel or Novel Updates to see if they have it listed. But be careful, some of these sites might not have the legal rights to distribute the content.
Chapter 942, "In Which Year Did the River Moon First Shine on People [Extra · River Moon Edition]", is the clearest early answer because it turns Shine's situation into a concrete plot event. The chapter gives readers a real answer by opening on She never expected Jiang Yan meant this.
Chapter 784, "Slander Brother Yang Without Any Proof?!", is the clearest early answer because it turns Brother Yang's situation into a concrete plot event.
Chapter 595, "Four-legged Black Toad", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event. Early on, Jiang Li steadied himself with support, endured for a while, and then....
Chapter 4 is the strongest chapter-level answer because it starts from Qiao regretted her words as soon as they left her mouth. and follows through on A little girl acting mysterious, learning fortune-telling, what is this....
Chapter 922, "The Good Deed You Did!", is the clearest early answer because it turns Rong Ya's situation into a concrete plot event. It opens with Jiang Li skipped through those comments and called Zhao Lang back.
Chapter 814, "Under the Eaves, One Must Bow", is the clearest early answer because it turns Xiao Yuan's situation into a concrete plot event. It opens with Two little glutinous rice dumplings were lying by the coffee table... and closes on I can't take it anymore, can't take it anymore!.
Chapter 830, "Pinky Promise for 100 Years", is the clearest early answer because it turns Zhao Lang's situation into a concrete plot event. Early on, At eight o'clock in the evening, Jiang Li arrived home.. By the end, Immediately, two shadows darted out from the room inside, each....
The best chapter pointer here is Chapter 3, "Madam, the eldest young master has been missing for over half a month". It opens with Qiao was still annoyed at the attitude of this unknown girl when she heard... and closes on Jiang Yan, forced into a marriage with someone he did not love, had....
Chapter 657, "The Richest Man Becomes a Hardcore Fan?!", is the clearest early answer because it turns Jiang Yan's situation into a concrete plot event. Early on, Zhao Lang had arrived in the Capital in the early hours of the....
If you want the clearest chapter reference, go to Chapter 3. Early on, Qiao was still annoyed at the attitude of this unknown girl when she heard...; later, the chapter leans on She's actually Miss Jiang Li from the Jiang Family?!.