Well, there are several places. Amazon Kindle Store sometimes has it. Another possibility is Webtoon, but it's not guaranteed. You might have to do a bit of searching to find the exact place that has Junji Ito's Tomie manga in English online.
You can try some popular manga reading websites like MangaReader or MangaPark. They might have it available.
One option could be ComiXology. They often have a wide range of manga, including English versions of Junji Ito's works. But make sure to check for the specific title. Also, some libraries offer digital access to manga, so that's worth looking into as well.
Chapter 428, "Stunning Debut!", is the clearest early answer because it turns Another Youth Trainee's situation into a concrete plot event. The chapter gives readers a real answer by opening on I'm going to perform a cover of the song 'The Ocean'..." Jiang Shixu...
Chapter 162, "Jiang - Boyfriend Power Explodes - Li", 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 He Yun then realized what was happening and subconsciously wanted to...
Chapter 369, "Who Makes Him the Omnipotent Male Lead?", is the clearest early answer because it turns Lin Manru's situation into a concrete plot event. The chapter gives readers a real answer by opening on But..." Lin Manru's tone shifted again, "Our studio has become...
Chapter 338, "The Adulterer is Far on the Horizon, Yet Close Before the Eyes", is the clearest early answer because it turns Horizon's situation into a concrete plot event. The chapter gives readers a real answer by opening on Tang Jinyu, dressed in a light apricot Cheongsam, sat indifferently...
Chapter 118, "Director Sun, When Did You Get a Barrage Above Your Head?", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event.
Chapter 330, "Why is it her?!", 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 Of course," Ye Chu pulled a lipstick out of her purse and started...
Chapter 187, "I Really Need an Apology", is the clearest early answer because it turns Wen Jiaojiao's situation into a concrete plot event. It opens with During the competition, she passed by him numerous times, unfazed by... and closes on Perhaps it was a pig that tripped you;
Chapter 304, "Shh, Let's Not Disturb Big Sister", is the clearest early answer because it turns Big Sister's situation into a concrete plot event.
Chapter 153, "Word Spreads, Director Sun Takes the Lead in Shipping the CP!", is the clearest early answer because it turns Aunt Ying's situation into a concrete plot event. The chapter turns that into something concrete by moving from Wisps of smoke gradually rose from the small kitchen.
Chapter 117, "What Jiang Li Can Do, She Can Do Too!", is the clearest early answer because it turns Too's situation into a concrete plot event. The chapter turns that into something concrete by moving from Fragrant and cloyingly sweet potatoes and corn were out of the pot,...