While bars often use tactics such as offering healthy low-calorie food items or fruity cocktails on the menu to attract female customers, Aisekiya in Akabane resorts to an extreme that most sane businesses would not risk: Women can drink as much as they want — without paying a single yen. But the izakaya has been open for almost four months, and it doesn't look like it's on the verge of going out of business.