TLDR:
It feels like they rushed it so bad and the quality of the game plummets after the first act. Not worth playing if you value your time. It's NOT slow build up. I love slow build up. It's slow build up and a lack of payoff. The writing falls off a cliff,along with Umi's identity and personhood. She's no longer a girl you love and marrried. In 15 minutes, she becomes a shell of a human with cum inside of her bursting at the seams.
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Full Review
This game is such a weird one. On one hand, the first 2-3 hours is amazing. Great build up. Art and music is fantastic. The writing is pretty good. I'm in love with Umi (the main red hair girl). She's spunky. She's got a GREAT body. Short hair, tomboy but womanly figure. All round great story telling; a fantastic, lovely, romantic start
The second half, and really it's the 15 minute transition from PART A to PART B that's the problem. Where to begin...
The corruption happens when Banka, the idiot village chief's son returns. You notice something is off with Umi because she fucking cums everytime you walk together with Banka. You know something is off, but you can't act upon it. A week or so passes by in the game, and Umi has HUNDREDS of these ??? stats in Umi's Secrets. It's pretty clear she's getting fucked.
At the climax, you realize the baddie you defeated is still alive and it culminates into this REALLY good scene where he fucks her infront of you, first person style with animation. Then the curtain rises and everything falls to shit.
At this point when you regain control again, Umi is a cum rag. She's been fucked by Banka and the Chancellor around 120x. They came inside of her, dumped tons of cum into her, and she's basically ruined. The lovely girl you fell in love with and married is broken. It's some classic "corruption spell" that the Chancellor casts on her.
Yet the game still continues painfully. Without the MC here to react to Umi, she just fucks everything in site. There's no more progression. You can unlock some scenes (that 15 minute transition from MALE MC where you had some mediocre mystery NTR of Umi cumming from walking and you leaving Banka with her for some stupid shit reason.) Mind you this is your WIFE who is sick / ill, and you left it off to some fugly degen who you know hates your guts.
Anyway, my point is once you start controlling Umi, when the NTR starts, the game is already finished. Umi is a finished product. The remaining scenes are literally just the author's boring fetish, like handjob, armpit play, cat play, dog play, pig play, etc. I mean bro. The girl is GONE. The NTR is GONE. There's no NTR if she girl is not worth saving.