If you buy now your new PlayStation 4 / PlayStation 4 Pro console in Japan you can get an extra year of warrany for an extra 500 Yen (with tax). The normal warranty time is 3 years long but for this small price you will get an extra year. The warranty covers free repair for natural failure based on the after-sale service regulations.
The new extra warranty service is available only if you buy your console between August 1 and August 31, 2017 and you have to ask it at the cash register in an official retailer or Sony store.
— プレイステーション公式 (@PlayStation_jp) August 1, 2017