"Character design, music and proofreading" ...then he isn't going solo like I said and I'm convinced that you are pulling my leg.
As for the scenes, since I have the save files still, I checked and these were added:
Akane: 1
Mayu: 1
Tomoe: 1
Ryoko & Charlotte: 1
Ryoko: 2
Charlotte: 1
Yui: 1
Shika: 1
Hana: 1
Alice: 1
Karyn: 1
Natsuki & Ryoko: 1
Halloween Special: 7
That's a total of 20 scenes not 26 and this is between v.0.2.8 to v.0.3.7 however without the Halloween special (which I would assume was a Patreon thing but I'm talking about the main game specifically) it would be 13 scenes and that's discounting; Adventure's Lounge, Tomoe's shop, Bathhouse, new location and the new mechanic to which he has said in game: "will be added in the next update" more times than I would like to count. I'm not saying that Ncrow should rush the game out but I'm saying that if you say next update to something then you bring it next update, you don't lie and try to milk money out of people and a whole year is an significant amount of time for so little to be updated.
You know who else was a solo developer? ConcernedApe the man behind 'Stardew Valley' which he created in 4 years and that's from scratch. He didn't have help from others nor did he have a special program (like Ren'Py) that would ease his programming and he legit did everything himself. A pixel art game not only takes longer to make but is a lot harder.
EDIT: Also lore/story can be copy and pasted in since you type that first before you even start a game (normally) and the same goes with images and sounds.