7-Eleven is a ubiquitous convenience store chain across Japan, with thousands of locations open 24/7 in almost every ward. While not all products are guaranteed halal, there are plenty of vegetarian / seafood snacks, onigiri rice balls, desserts, drinks, and fruits that are safe options. It’s a great place to pick up quick meals like sandwiches, instant noodles, ready-to-eat rice bowls, and local sweets; also useful for essentials like bottled water, toiletries, and convenient payment methods. The vibe is casual and fast-paced—clean, well-lit, highly accessible—even at late hours—ideal for travellers needing dependable food or supplies at any time.