Hey there, greetings to the Philippines!
The question if the game will have one "true" ending is really hard. I guess I'll personally have a favorite ending and some of the endings will be a bit more elaborate than others. But I hope that they'll turn out in a way that everyone is happy with what they're getting.
I can't say for sure in regards to the timeline. I think it'll be very hard getting it done this year since there'll be a lot of testing involved to ensure quality. Also can't say much about the price yet. But it definitely won't be AAA prices.
Thank you for the comment :)