There aren't many major differences. The adaptations usually try to stay true to the core of the manga.
The main differences might lie in some visual details or minor plot tweaks for better presentation on the screen. But the overall story and characters remain largely the same.
The 'Shiiku x Kanojo' manga adaptation usually sticks closely to the original. However, there could be some changes in the pacing or emphasis on certain elements to make it more suitable for the medium of the adaptation.
Chapter 579, "I Know Where Team Q Is!", is the clearest early answer because it turns Jiang Yan's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Young Master, what do you think?" Having finished reading the...
Chapter 810, "I'm Waiting for Death", is the clearest early answer because the violence around Jiang Li becomes final instead of hypothetical. Early on, Jiang Buchen was about to go crazy from hunger.. By the end, Alright, he's satisfied even if he dies after eating such tasty food..
Chapter 758, "What She Says Goes in Our Family!", is the clearest early answer because it turns Lin Manru's situation into a concrete plot event. Early on, Lili was still greeting guests at the front door when suddenly, a.... By the end, Yet she came today;
Chapter 728, "Number One in the Joint Exam!", is the clearest early answer because it turns Jiang Cheng's situation into a concrete plot event.
Chapter 662, "No Mirror, Is the Urine Matte?", is the clearest early answer because it turns Urine Matte's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Ji Yanbai and Mu Ye exchanged a glance and then began searching their...
Chapter 753, "Final Judgment", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event. A useful checkpoint is the way the scene starts with In the decade she had been with Fang Wenzhe, Shu Yan never thought...
Chapter 797, "Bu Fan and Bu Chen", is the clearest early answer because it turns Auntie's situation into a concrete plot event. It opens with The night grew deeper, and while waiting for news, Jiang Li dragged...
Chapter 919, "Two More Grandsons", is the clearest early answer because it turns Hong Pei's situation into a concrete plot event. The chapter gives readers a real answer by opening on She turned around and immediately saw two little buns reaching out...
Chapter 662, "No Mirror, Is the Urine Matte?", is the clearest early answer because it turns Mu Ye's situation into a concrete plot event.