Here are characters that are in the game...I'm pretty sure that it will be the same with the anime...
Warning: Some of the image that are in the spoiler tags are not save for works! NSFW!!! All of them are screenshots from the original hentai game though, but don't worry, I have filtered the hentai and take it out... ^_^ (but yes, most of them contains ecchi...)
From left to right:
Shirakawa Nanaka ,
Asakura Yume , and
Tsukishima Koko.
Asakura Otome
Asakura Yume
Shirakawa Nanaka (yay, this one is my fav....so keep your eyes off from her)
Tsukishima Koko
Amakase Minatsu
Yukimura Anzu
Btw, I'm wondering how Junichi and Sakura will looks like this time...
Hopefully Sakura will NOT looks like this: