Under One Roof:Step by Step

Under One Roof:Step by Step Under One Roof: Step by Step is an adult casual game where you share life with beautiful neighbors. Enjoy real-time days, branching dialogue, and unlock intimate scenes as trust grows.

Under One Roof: Step by Step

Under One Roof: Step by Step is an adult game focused on a warm, playful co-living story with charming neighbors. Through lighthearted interactions, you gradually learn their backgrounds, watch friendships grow into something deeper, and unlock a variety of explicit adult scenes for an intense experience. The game uses a brand-new engine to deliver detailed character models and sensual H-scenes, while a wide selection of music helps create a fully immersive atmosphere. If you enjoy adult games, Under One Roof: Step by Step is worth a look.

Key Features

Shared Living Dynamics

• The entire narrative takes place inside a carefully crafted home. From the comfortable shared living area to private bedrooms, every room is used as a setting for new conversations and moments.
• Environmental details subtly shift to match the emotional mood—such as lighting changes during tense talks or seasonal decor that signals the passage of time.

Real-Time-Style Progression

• Days move forward using a calendar system.
• Events like rainy weekends or festival holidays affect character moods and which interactions are available.
• If you miss certain opportunities, they may return later—but with different consequences—encouraging repeat playthroughs.

Immersive Audio & Sound Atmosphere

• A curated soundtrack adapts to the story’s pacing, with calm music during casual chats and more emotional piano pieces during major revelations.



• Voice-acted dialogue for key characters is available as an option.
• Languages include English, Chinese, and more.

Branching Dialogue System

• Conversations offer multiple reply choices, with outcomes influenced by factors like affinity, humor, and sincerity.
• Your decisions affect a Trust Meter for each girl.
• Higher trust can unlock exclusive content—such as late-night conversations or shared activities—or lead to conflicts that you’ll need to resolve.

Event Triggers & Hidden Secrets

• Secret storylines can be uncovered by meeting conditions, such as giving specific items or reaching high trust levels.
• Secrets can range from personal hardships to surprising talents.
• Some revelations are delivered through mini-games like Memory Fragments puzzles or through close “Heart-to-Heart” dialogue moments.

Helpful Tips

Talk to NPCs

• Don’t limit yourself to only family members. Interact with other characters too.
• These conversations help reveal motivations, personal secrets, and deeper household dynamics—sometimes opening doors to hidden story paths.

Choose Dialogue Carefully

• Responses matter. Pick what fits the relationship you want to build.
• Your choices change how others view you and can lead to different outcomes, keeping each playthrough distinct.

Explore the Environment

• Take your time moving through each room in the house.
• Also explore the neighborhood around the home to find hidden items and clues.
• These discoveries add context to the family’s history and to your own past, making the story feel richer.

Changelog

Note: The update was large enough that it was split into two separate parts.

Currently Added

• Two morning events with Rina in the hall
• A morning event with Alina in the kitchen
• An evening event with Lina in the kitchen
• Training with Lina (training introduction was completely redesigned)
• Alina’s Servant (quest becomes available after completing Rina’s “unbeatable” minigame)
• An afternoon event with Alina in the hall (available after finishing the Alina’s Servant quest)

Planned for the Second Update Part

• Repeatable events will be added for house locations.
• All scenes in the game will be expanded.
• The main character will gain three development paths: Evil / Pervert / Normal.

If you’d like to share ideas for scene development based on your main character’s personality (Evil / Pervert / Normal), you can suggest them—promising ideas may be added to the game. The developer also expresses gratitude for any support, noting it helps motivate continued work.

Player Comments

• Comment 1: “For a starting point, it looks promising. The background story feels solid. Personally, I don’t mind if other characters have sexual relationships with someone else, since the game is still early in development. I just hope the next stage of the story isn’t too subtle or it may get boring quickly. I’ll return later after version 0.5.”
• Comment 2: “From the first minutes, the visuals are clearly well done. The AI produces coherent, pleasant illustrations that match the game’s tone. Unfortunately, it’s also one of the only areas that really stands out. Some text is still in Russian, which suggests localization wasn’t handled properly—regardless of whether this is an alpha build. Details like that break immersion and make it feel like technical and presentation work is being sidelined in favor of content.”



• Comment 3: “Wow, it looks like I’ll roll up my sleeves and build a game! …Some time later… AI, write a game for me—and add music too. Throw in oddly looping animations. Yeah, it’s fine if the characters…”