There's no date, but probably soon. It's only one person working on the game, be patient :3
Yet no, but Neko said that probably in a DLC he would add the routes of the rest of the cast.
jst some of information.,.,. Neko (The creator of the game) said that it probably would add routes in a DLC of the game that if i remember good, it's paid!!! ( ╹▽╹ )
The 2nd chapter it's already in The Game, just it's all in one. The incoming chapter it's the chapter 3! (≧▽≦)
Yup!!