日本にはプロサッカーのリーグがいくつある？
The ( is Japan's professional football league including the first division J1 League, second division J2 League and third division J3 League. J1 League is one of the most successful leagues in Asian club football. It is currently sponsored by Meiji Yasuda Life and thus officially known as the Meiji Yasuda J.League.
first division J1 League, second division J2 League and third division J3 League