Help with the game 彼女が見舞いに来ない理由 限定版(Kanojo ga Mimai ni Konai Wake)

[serik]

Hello all

So i installed the game and when i trie start ,a window pop up to write the "nickname" ,there are 3 fields ,the 1st cant be changed ,the 2 and 3 can be change,until here is ok ,but when i click on the "ok" the ok dnt do nothing ,and the option up is to default the names,ive tried it on other computer and still the same ,ive tried the demos and is the same...
so what im doing wrong?

1.JPGCapturar2.JPG