How many hours to finish this current version?
An estimated 33 hours at the moment if you count every word in the game, based on an average reading speed of 130 words per minute. Given it's a VN, I'd say you're probably going to be reading a little slower than that, but you also won't see all 258,000 words in v0.12 in a single playthrough due to dialogue choices and branches, so it evens out.