The cutscenes in this thing, I swear. It's like someone at the animation studio discovered the puppet tool in After Effects and just went absolutely feral. Characters slide into frame with all the grace of a shopping cart with a wonky wheel. But then, out of nowhere, there's this one scene with Darkness where the lighting on her armor actually looks... competent? Like a different person animated it. Probably was. The whole game has that "I paid three different artists on a forum" energy, and one of them definitely ghosted halfway through.
The premise is you're dead from overwork, classic isekai setup, and a succubus gives you a contract. You hop between universes, seducing characters to gather sexual energy. It's basically an excuse to see every Naruto and Konosuba character with their tits out. And they are out. Frequently. The corruption mechanic is there, I guess, but it feels more like a progress bar that fills up than any real narrative change. You get these "devil traits" which let you do things like grow a surprise futanari cock, which leads to some genuinely unhinged group scenes. There's a moment with Tsunade and a handjob that transitions into something else entirely, and the animation just... gives up. Her model clips through the table. I laughed, then kept watching. That's the whole experience, really.
The pregnancy tag is doing some heavy lifting. It's more of an implied "you filled her up" ending card than a visible mechanic. But the voyeurism stuff, peeking on Kurenai, that's implemented with this weird first person camera that stutters like it's running on a potato. The female domination is listed as avoidable, which is true, you can just not pick the dialogue option where Samui ties you up. But why would you skip that? The writing for the teasing scenes is surprisingly sharp, full of references only someone who's seen the "Naruto" filler arcs would catch. Remember that one episode with the curry of life? No reason, just popped into my head. Anyway, the sound design is mostly wet slaps and stock moans, but the Konosuba parody characters actually sound like bad impersonations of the dub actors, which is charming in a "so bad it's good" way. The whole thing is a mess, a horny, broken, occasionally brilliant mess that knows exactly what it is.