Shopping Alert! Deep Discount.com is having a sale on some manga titles in their book section. As well as discounting the books, they are doing a “buy 3, get 1” free promotion on certain titles. This is a comparable deal as Amazon, and better than Borders “buy 4, get 1 free”. Their shipping is free, and the books are discounted as well. The best discounted deals are on D. Gray-man from Viz, Melancholy of Suzumiya Haruhi from Yen Press, and later volumes of Black Jack from Vertical. Also included in the sale are several of the VizKids titles such as Pokemon; Adventures and Diamond and Pearl, Leave It to PET, and Legend of Zelda, as well as Udon’s Big Adventures of Majoko. Vampire fans can pick up most of Vampire Knight, you can catch up on the latest volumes of Skip Beat!, or pick up most of Record of a Fallen Vampire which just finished this month. BL fans can get Junjo Romantica and Loveless. If you’ve got some spare cash, definitely check out this sale. How Bad Is It? Via Twitter. Builder, a ZDNet Japan blog, has posted the second part of an interview with Misaaki Hagino, President and…