>>14575519
its asking for the "serial key"

>>14575552
Oh thanks!
But I didn't find any password or serial(checked site and txt files).

>>14575584
must be one on hfire.. i'll have a look

there is a no-serial patch on this page, seems to have working downloads
you might have the 1.01 version so the patch might not work but worth a try

http://www.anime-sharing.com/forum/hentai-games-38/japanese-%5Bnew%5D%5B160527%5D%5Bclockup%5D-%E3%81%88%E3%82%8D%E3%81%90%E3%81%A3%E3%81%9A%EF%BC%81-h%E3%81%AA%E3%81%8A%E3%82%82%E3%81%A1%E3%82%83%E3%81%A7%E5%BF%AB%E6%84%9F%E3%82%A8%E3%83%B3%E3%82%B8%E3%83%A7%E3%82%A4-%E5%88%9D%E5%9B%9E%E9%99%90%E5%AE%9A%E7%89%88-497424/