請問香港那裡能買到及川光博live dvd

Oikawa's DVD is difficult to find in HK. I suggest you to buy it from Yes Asia. Price is quite reasonable, and safe too. Because I bought from it previously as well. See the link below:

http://www.yesasia.com/global/%E5%8F%8A%E5%B7%9D%E5%85%89%E5%8D%9A/0-aid402-0-bpt.47-zh_TW/list.html

You can also try to search from Amazon and similar type of web. Hope this help.