Short(ish) and easy. Plot is... Fine. Lots of mixed feelings.
Gameplay is a boring loop, but it's all just... Mindless clicking. Almost. There's 4 mini-games, one timing, one "matching," one reaction, and one guessing/thinking.
They're all pretty easy, and even if you skip it or mess up, you get "good" and/or "excellent" and just get good rewards anyways.
The deadlines are hard to miss since you get enough money and followers even from the beginning. Like, maybe the 3rd outfit was "the hardest" to get but I still had like, 150% of what I needed while all other outfits were moreso 300% (as in, if the outfit costed $50K, I had $75K, all others $150K).
Art is good; what you see is what you get. There's some mild animations and they're a decent variety. It's hard to write about since the preview images give 80% of the story. The UI is fine, though the "Yes" and "No" buttons are Right-side and Left-side respectively, where I am more used to the inverse.
The main focus of this was story and the relationship between player and FMC. It's uh... Meh. You come across her during work, think, "Wow out of my league" and meet her again during a convention, help her, marry. Now, she's going on 30 and wants to become a pro cosplayer hence the title, wow.
My main gripe is how the characters are, where they're sort of believable, with mild mood swings and stuff like, "If you like this female character so much why don't you marry her!" and the wife is angry or whatever, but has 0 impact on gameplay. You, the MC, also just keep sexually harassing her whenever and I mean, she's accepting of it and it's a porn game, but wow, they're having a touching moment at a beach, and the art I think is genuinely nice, but then MC just starts groping her and they fuck.
There's also another scene that's much more serious, but is also an ending so I won't spoil it.
I've been rambling a LOT.
Basically, gameplay is mid. Characters are whatever. Art is good. Play if you have 2 hours to spare and like the art. Avoid otherwise. Also, at the very least, if you get good ending, you unlock everything.