Nao Kosaka (小坂菜緒) of Hinatazaka46 has released her debut photo book, delighting fans with semi-nude shots and achieving rapid commercial results. Kimi wa dare? (Who Are You?) was released on June 29 and has sold quickly -- 180,000 copies, according to a media report. It has already entered its second print run. With her cute girl-next-door looks, Kosaka is incredibly popular and there was a lot of buzz about her photo book, as we first wrote about in May. But even we didn't expect it to be such a hit with fans. Naturally, the amount of skin she is showing is a major ...

Following fellow Hinatazaka46 member Kyoko Saito's semi-nude photo book earlier in the year, now comes the news that Nao Kosaka is releasing her debut photo book. The swimwear-themed book, "Kimi wa dare?" (Who are you?), will delight fans of the gentle-faced 18-year-old. Kosakana's slender body is showcased in these bikini shots. Unfortunately, only one of the preview photos actually shows her in swimwear. The book comes out in Japan on June 29. We personally prefer our ladies with more experience and maturity, but we can see why Nao Kosaka has her fans: a pure-looking ...