Under One Roof: Step by Step is that kind of story that looks innocent for like five seconds, then suddenly you are sitting in front of the screen thinking, “Ok, I really should not be this hard from doing laundry and talking about rent.” It is quiet, slow slice of life, nothing explodes, nobody has magic powers, and still it gets under your skin. You’re this guy sharing a small house with three girls, each one wired completely different, and the game just keeps throwing you into these everyday scenes that slide from cute to horny in this really sneaky way. Breakfast chat about coffee? Five clicks later you are staring at her bare thighs because she forgot the shorts. Or she “forgot.” The whole thing is mostly conversations, tiny choices, and watching how your relationship with each girl shifts when you say something sweet, or when you absolutely fuck up and joke at the wrong time.

What surprised me is how normal some of the sex feels. Not porn-normal, like real-life awkward normal. First time I got a vaginal scene with one of the girls, it was not all “instant pornstar mode.” There was the nervous small talk, her checking if the door is locked, you trying to unhook her bra and failing like an idiot for two tries. The game actually lets that moment breathe. You see her legs shaking, not from some fake screaming, but from tension and excitement, and when he finally slides in, she doesn’t moan like a hentai character, she gasps, stops, adjusts. Then later, when you finish inside her, the creampie is not just a money shot. She lies there, breathing heavy, looking at you with that “you really did that” face, and the whole mood is this mix of warm, dangerous, and slightly stupid. I liked that a lot more than I should. There are softer romantic routes too, with real build up, hand holding, quiet cuddling on the couch, stupid jokes that actually made me laugh out loud once, then the same girl later is sitting on your lap grinding slowly while teasing you that you get turned on too easy. Very realistic, very unfair.

The relationship system is simple but not brain-dead. You choose who you spend time with, who you tease, who you comfort when shit goes sideways, and the game remembers. Say the wrong thing in a dramatic moment and she closes off, and you feel it later when she pulls her foot away when your MC touches it under the table. Speaking of feet, the fetish stuff is not subtle at all. One of my favorite scenes is not even full sex, just her sitting on the bed in oversized hoodie, bare legs, asking you to massage her feet because she is “so tired.” You start innocent, then she places your hand exactly where she wants it, and it turns into this slow, filthy footjob that still feels like a private joke between lovers, not just a kink checklist. She rolls her eyes, calls you a perv, but does not stop. The funny thing, the humor and drama sometimes crash together in weird timing, like a heavy emotional scene followed by a goofy underwear argument, and it feels slightly off, but in a way that reminds me of real life when people cope by joking at the wrong second. UI is fine, nothing fancy, I kept clicking the wrong choice once because the hitbox felt weird and got mad for a moment, then forgot about it when she climbed on top of me and started riding slow while whispering how she doesn’t want the others to hear. It is that kind of game. One minute you are arguing about dirty dishes, next minute there is cum dripping out of her while she kisses you like she actually loves you. I believed it more than I expected.

Sereneth looks like the kind of fairy you’d see on a fantasy book cover, all glowing wings and soft curves, but the game really loves tearing that first impression to pieces. She walks into this story like some devoted, almost naive lover, hanging on Caelen’s arm, swearing she’ll stay pure for him, and ten minutes later the script is already poking at every weak spot in that promise. The whole thing runs like one long, painful tease. You know where it’s heading, she kinda feels it too, but they both keep pretending this is just some noble quest to save a princess. It’s not. It’s a long, horny slow crash where “rescue mission” slowly turns into “how many twisted ways can we ruin this relationship and still pretend it’s romance”.

The Forest of Myrlaen is basically one big corruption machine. Every stop is an excuse for something filthy to chip away at her loyalty: a “healing ritual” that needs way too much skin, a magic vine that grabs the wrong places and doesn’t let go, a monster girl who touches her way too casually while explaining how “shared pleasure builds trust”, that kind of energy. Sereneth starts off swatting hands away, tail twitching when someone talks about her body, clinging to Caelen’s side. Then the game starts pushing situations where he turns his back for a moment and some other “guide” or “ally” is already sliding fingers between her thighs, testing just how sensitive fairy skin really is. One of the better scenes has Olgrun pretending to “check for curses” while his grubby hands knead her ass like dough, and the camera just lingers there while she tries to keep her voice steady so Caelen doesn’t notice. The animation zooms in on her lip biting and that tiny little tremble in her legs. It’s filthy and kind of mean in a way NTR fans will recognize immediately.

What really hits is how the erotic pacing keeps grinding away at both of them. Caelen gets moments of fake hero confidence, kissing her, telling her he will protect her, while the player already saw her just get stuffed full by something with a cock thicker than his arm in the last branch. There’s a scene with an arrogant elven noble who makes her “prove” fairy loyalty on her knees, tongue working on his big cock while Caelen sits outside the tent, listening to “magic chanting” that is just wet choking sounds. The game plays hard with contrast: romance framed like a dating sim on one side, and on the other side you have blacked style scenes where her tight little body is pinned, legs spread, wings twitching as she takes a big black cock or gets used by some leering monster in all the wrong ways, filled and creampied until dripping. Sometimes she tries to talk her way out and ends up getting spanked over someone’s lap, or having her feet worshiped and then used in a messy footjob that leaves her blushing and breathing hard. The whole “fairy born of ancient magic” thing slowly twists into “perfect toy for anyone with the power to push her”, and the transformation is more mental than physical, though the game clearly enjoys making her ass and tits look fuller, slick with cum, marked, pregnant risk constantly hanging in the background. At first she’s horrified when something leaks out of her after a rough anal session behind some roots, later she just wipes it off and smiles weakly, telling herself it was only for the mission. It’s that painful little lie that makes the next blowjob sting more than any tentacle ever could.

According to Sofia feels like reading someone’s horny diary while drunk, where every second page is a new excuse for why “this doesn’t count as cheating”. You’re basically hanging inside Sofia’s head while she lives with Bob, swears she loves him, and then spends the whole game bending the idea of loyalty like it’s a yoga class for her morals. She’s this bubbly blonde who acts dumb on purpose, but she’s not dumb, she’s just really good at pretending rules are optional if the dick is big enough or the dare sounds fun. One moment she’s cuddling Bob on the couch, promising she’d never hurt him, and the next she’s at some party letting a stranger draw on her boobs with a marker because “it’s just body art, like a tattoo, not sex”. The game leans into that constant mental gymnastics. You get those scenes where someone dares her to play strip poker, and she folds instantly, loses on purpose, laughs, and ends up naked on the table with guys staring at her, and she goes “Don’t worry, Bob, it’s only a game, not cheating if nobody cums… on the inside”. Yeah, the logic is that cursed.

What I liked is how the situations escalate without a big dramatic drum roll. It crawls up on you. First it’s just some flirty truth or dare, “show your panties” kind of thing. Then suddenly she’s on her knees in the bathroom during a house party, giving a messy blowjob to some dude she just met because technically “mouth stuff isn’t real sex” in her weird internal rulebook. And the game really milks the facial expressions. She has that innocent wide-eyed look while she’s swallowing, like she’s trying to convince herself and the player at the same time that this is fine, totally fine, nothing wrong here. There’s this one scene with a “backdoor only” arrangement that pretty much sums up the whole vibe. She’s drunk, straddling this guy’s lap, already half fucked, then stops and giggles, “But it can’t go in the front, that would be cheating, only the back is allowed.” And yeah, the game commits. You see everything, how her body reacts, how she tries to say no and then changes her mind mid-moan because “rules are flexible, right?” It’s filthy, sometimes stupid, sometimes actually funny in a fucked up way. She’ll finish with another guy, wipe her mouth, then go home to Bob acting like the sweetest girlfriend ever, baking something or snuggling him like she didn’t just get railed in a stairwell. I wish the game sometimes slowed down to show more of Bob’s side, his suspicions, but it kind of works that he’s this soft blur in the background while Sofia’s wild logic runs the show. It’s her world, he’s just the excuse she uses to call the whole mess “technically faithful.”

Rumors always sound stupid until you are the one they whisper about. This game throws you into one of those sticky school legends, the “there is a satanic cult behind the gym” kind of bullshit, except you actually trip over the damn book they are using. Not a cute grimoire with sparkles, more like something that looks like it smells of old cum and candle smoke. You crack it open for a laugh, and the first thing it gives you is the power to make the class virgin blush so hard she almost creams herself in the middle of an “examination” scene where the teacher leans too close, her tits brushing your arm, and you realize the book is not just edgy goth decor. It lets you push people, twist their lust, nudge their fears, and at first you just use it for small shit: making your best friend text you late at night with “I had this weird dream, why were you watching me in the shower?” while you are literally watching him through some voyeur spell on your phone, zooming in like it is some cursed Pornhub live cam. The game plays like a mix of visual novel and sandbox, you wander around school halls, club rooms, that empty classroom behind the science lab where the “mystery club” girl hides her monster girl hentai doujins, and every choice you poke in the text gets a horny consequence ten minutes later. Sometimes it is just teasing, a milf teacher accidentally pressing her big ass on your desk while bending over the board, sometimes it turns into full on corruption, like you mark a shy futa class rep with a little symbol and next time you see her she is in the bathroom stall, stroking a throbbing cock that looks too heavy for her thin legs, biting her lip and mumbling your name.

The story pretends to be about this “evil power” and responsibility, but half the time I forgot the cult plot and just chased who I could break or save or both. You can go playful, using the book to make girls horny at the worst moments, like forcing a strict nurse to lactate during a routine health check, milk stains spreading on her white top while she clenches her thighs, then suddenly she is grabbing your hand and shoving it under her skirt, muttering how this is “for science.” Or you lean into full NTR stuff, using blackmail photos and the book’s little curse tricks to push a sweet romance into pure cheating. There is one brutal route where your “best friend” tries to confess to his crush under the cherry tree and you quietly tweak her feelings so she accepts, then later you drag her into a storage room and she is on her knees around your cock, choking and crying because she knows she is his, but the spell makes betrayal feel like a delicious punishment. The game loves mixing that hurt with the horny: a loyal girlfriend getting pounded by a big black cock you summoned from some “monster” page, your corrupted class rep in a gangbang bukkake scene with faceless students dripping on her glasses, the principal on her knees in the occult club room giving a sloppy oral exam as if it is normal curriculum. There is futa, femdom, crossdressing sissification stuff where the book flips your own body, giving you a fat futa dick for one route, soft tits in another, forcing you into a skirt while a female domination demon spanks you until you are hard just from the pain. One day you are fingering a shy monster girl by the pool during summer vacation, her tail curling around your wrist as she begs for creampie, the next you are watching a furry club president hump your enchanted sex toy in the empty gym. It is messy, horny, a bit mean, and the book never really feels safe; every time you use it to make someone moan louder in a titfuck or a footjob scene, there is that tiny line of text hinting that maybe the book is also rewriting you, turning a “regular student” into something closer to the cult freaks you laughed at in the first place.