It's possible. However, the availability of such a light novel can depend on various factors. Some light novels are only published in Japan and may not have an official English translation yet. You can look for fan - translated versions, but be aware that the quality may vary. Also, keep an eye on new releases from light novel publishers, as they might pick up this interesting concept in the future.
I'm not entirely sure. There are so many light novels out there, and while the concept of a demon falling in love with a priest is quite interesting, it may or may not have been translated into English. You could also try searching for it on anime and manga - related forums, where fans might be able to give you more accurate information.
The best chapter pointer here is Chapter 5, "Catching Adultery Personally". It opens with Actually, when Manager Fang saw Jiang Li, he was somewhat surprised. and closes on Recently, he did suspect that his wife was cheating on him, but due to the....
Chapter 914, "A Married Daughter is Like Spilled Water!", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event. The chapter turns that into something concrete by moving from Jiang Li let out a cold laugh. to This revelation got the fans even more excited..
Chapter 762, "Your Son is Even Worse than a Mountain Pig!", is the clearest early answer because it turns Mountain Pig's situation into a concrete plot event. A useful checkpoint is the way the scene starts with The suit was immaculate, and he was very dashing.
Chapter 904, "Welcome Young Master and Young Madam!", 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 Bufan and Jiang Buchen immediately ran up in surprise.
Chapter 853, "The Bracelet Worn by the Empress?!", is the clearest early answer because it turns Empress Zhaode's situation into a concrete plot event. The chapter turns that into something concrete by moving from Jiang Li carefully examined the branches and leaves for a while.
Chapter 766, "Young Master Gu, Please Come Inside!", is the clearest early answer because it turns Wen Jiaojiao's situation into a concrete plot event.
A practical answer is Chapter 13, because it turns the idea into a concrete scene. The chapter opens with Sensing that something was off with Jiang Yan, Jiang Yan dismissed the..., adds pressure through He probably had a good guess who it was., and ends on How could this happen..." Lin Manru.
Chapter 687, "How Did She Die Again?", is the clearest early answer because it turns Shao Changqing's situation into a concrete plot event. The chapter turns that into something concrete by moving from In the process of pursuing the Protagonist Group, she gradually came... to I'm busy here;
Chapter 600, "You merchants aren't even fit to carry my shoes!", is the clearest early answer because it turns Shen Ruobing's situation into a concrete plot event.
Chapter 777, "Backstage Buffs Stacked!", 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 Shixu also knew about his trending on social media.