They are kept warm. The stores also sell hamburgers and soft icecream. As for drinks, convenience stores would sell about 50 kinds of soft drinks, juice, and alcohol drinks. Drinks are kept either warm or cold. You can find cosmetics, underwear, socks, panty hoses, notebooks, pens, cassette tapes and films.
People can transfer money like at banks and can make payments for utilities and telephone.
They sell popular game softwares, tickets for movies, concerts and other events, plane or train tickets, postcards, a variety of prepaid cards and even lotteries. They also sell seasonal goods. For example, they sell small bags of fireworks during the summer, or sell boxes of cookies or seasonal food as seasonal presents. Convenience stores are convenient place to find if it rains suddenly. If you find a convenience store, you will be able to buy an umbrella.