The official Sonic IDW website could be a place to start. They might have links to where you can buy their comics. Another option is to search on eBay, but be sure to check the seller's reputation and the condition of the comics.
You can try looking on online comic book stores like Comixology or Amazon. They often have a wide selection of Sonic IDW comics available for purchase.
Chapter 930, "Everything Is Just Beginning [Grand Finale]", is the clearest early answer because it turns Hua University's situation into a concrete plot event.
Chapter 875, "Isn't That Xu Mei's View?", is the clearest early answer because it turns Chen's situation into a concrete plot event. The chapter gives readers a real answer by opening on In the information network of the three people, Lu Yafei and Wan Jia...
Chapter 477, "Brother Pig, Don't Be Afraid", is the clearest early answer because it turns Bai Lu's situation into a concrete plot event.
Chapter 779, "Unmarried but Have a Daughter?!", is the clearest early answer because it turns Have's situation into a concrete plot event. The chapter turns that into something concrete by moving from Right, there's one more important thing," Shen Lan looked at Chen...
Chapter 705, "Is She Her Own Destined Noble Person?!", is the clearest early answer because it turns Star Media's situation into a concrete plot event.
Chapter 915, "Take out 1 million!", is the clearest early answer because it turns Meng Xuezhi's situation into a concrete plot event. The setup is Hong Pei's expression was very unpleasant., but the pressure keeps building through Oh really, aren't you just doing this to make money?.
Chapter 611, "The House She Built is No Ordinary House!", is the clearest early answer because it turns Jiang Cheng's situation into a concrete plot event. It opens with Jiang Li didn't care about the dissenting voices at all; she rolled...
Chapter 886, "Stinky Beggar", is the clearest early answer because it turns Capital's situation into a concrete plot event. The chapter turns that into something concrete by moving from After speaking, Jiang Li stepped forward and said, "I'll treat this...
Chapter 771, "Just Friends", is the clearest early answer because it turns Miss Su's situation into a concrete plot event. The chapter turns that into something concrete by moving from Su Yinwan had lost five million followers in less than a week.
Chapter 10 is the strongest chapter-level answer because it starts from Qiao's shocked face struggle to recover, Lin Manru also tasted for the... and follows through on Who was it again saying that the Jiang Family's tradition was lacking,.... The payoff is that the chapter closes with "She...