Synopsis
* Fully Voiced
The pinnacle of ultra-smooth hand-drawn animation! Every scene is crafted with an overwhelming level of quality at an incredibly high frame rate. Created by the renowned artist “NLCH” who boasts 900K followers on Twitter, this is the dream gaming experience you’ve been waiting for!
Live a quiet life with your sister while taking on the role of a solo adventurer in the depths of the dungeon. To cure her mysterious affliction, you must venture into the Abyss to find the rare ingredients needed for the “Red Marrow Elixir.” If you fail to complete it in time, sister will face a fate worse than…!
* Real-time Action Combat
Featuring a “Keyboard & Mouse” real-time combat system, players can craft a unique fighting style through various combinations of skills and equipment. Each floor of the dungeon presents a unique challenge that requires tactical flexibility. Deepen your exploration to unlock powerful new gear and abilities!
* Roguelike! Open World!
Every time you enter the dungeon, the layout, enemies, and treasures change, offering endless replayability. Adapt and learn from every expedition to uncover the deepest secrets of the Abyss.
* Life with sister
After a long day of adventuring, spend precious moments with sister. Cook for her using ingredients found in the dungeon, tell her stories, play games, or just sleep by her side. As a nurturing sim, watch her grow and feel the pride of a brother. As your bond deepens, even more intimate interactions will be unlocked!
* Emotions Beyond Siblings
As your daily life grows more intimate, a quiet change begins to stir in your hearts…! Sneak a peek at her sleeping face, or slip into the bathroom while she’s bathing! Play pranks on her while she’s defenseless at night, or tease her while she’s focused on her games. Within the limits of her affection, immerse yourself in her adorable charm!
H-Events
Sumata: Animated with 2 different positions! Beyond the previewed scenes, the game is packed with an incredible amount of hand-drawn animation — it’s no exaggeration to say almost every scene features unique H-animations!
Hand-drawn Mastery: Over 200 frames of original animation! The oral sex scenes feature overwhelmingly luxurious production quality.
Ultra-Smooth: Bathroom Sex: Choose from 3 different positions at any time! We’ve animated the transitions between positions to ensure perfectly fluid motion. Includes high-effort effects like close-ups, creampies, and cross-section (seX-ray) views!
Living Room Sex: Features 6 to 7 different positions! Every transition is seamlessly animated, and each position includes detailed variations for “Creampies,” “Cum-outs,” and “Climax faces.”
Gaming Together
Gamer sister: She loves games! Collect consoles and cartridges from the Abyss to give her as gifts. Her joyful reactions are a must-see!
Intimate Moments: While gaming together, enjoy her warmth and sweet scent from an incredibly close distance.
Bathroom Infiltration
Thrilling Peeping: Sneak into the bathroom while she’s bathing… Experience the heart-pounding tension of trying not to get caught!
Panties Thief: Secretly lift her panties! The designs change daily for a fresh surprise every time. You can even take them and hide them in your secret stash…
Sudden Crisis: She might notice noise in the washroom or run out of shampoo and come out to check. How will you escape this desperate situation?!
Intimate Progress: As your bond grows, you can bathe together or even undress at the same time! There are 6 to 7 different hand-drawn undressing animations for her, all running at a high frame rate for maximum smoothness. Even the brother has his own dedicated undressing animation!
Cooking
Feed the Hungry sister: Whip up a meal for your starving sister!
Abyssal Cuisine: Dozens of dish variations! Using mysterious ingredients from the Abyss, highly imaginative dishes are born. You might create a mouth-watering masterpiece, or a disastrous “Dark Matter” dish if your “innovation” goes wrong!
Kitchen Animations: Includes adorable cooking animations for both the brother and sister! The scenes change drastically depending on whether the result is a “Grand Success” or a “Total Failure.”
Mogu-mogu Reactions: Dozens of unique “munching” animations have been drawn. Her reactions change based on what she’s eating!
Night pranks
Defenseless Sleep: Her sleeping posture is bold and completely unguarded. Since she’s a heavy sleeper who won’t wake up easily, why not play some “naughty” pranks on her…?
(Text: English / Voice: Japanese)
(English product description provided by the creator.)
| Circle | niliuchahui |
| Tags | R18, Simulation, Voice, Music, Animation, Application, Chinese Simplified, Chinese Traditional, Korean, Japanese |
| Price | 3,410JPY |
Editorial Review
This is a hybrid that straddles the line between adult visual novel and action roguelike—a combination still rare enough in the English-translated doujin space to merit attention. The emphasis on real-time dungeon combat with keyboard-and-mouse mechanics positions it against the traditional click-through VN formula, targeting players who want gameplay substance alongside narrative and intimate content.
The production values are the immediate draw here. NLCH’s animation pedigree (900K Twitter followers) translates into hand-drawn sequences at unusually high frame rates, which the synopsis emphasizes repeatedly—a legitimate selling point in an industry where most adult games rely on static CGs or low-frame loops. The fully voiced presentation across multiple language options (Japanese, Korean, Simplified and Traditional Chinese) signals a project with genuine budget behind it. The roguelike structure with procedural dungeon floors creates replay value beyond typical VN linearity, though the synopsis cuts off mid-description, leaving the scope of that system unclear.
The narrative framing—curing your sister’s mysterious affliction through dungeon exploration and rare ingredient collection—threads a time-pressure plot through what could otherwise be pure sandbox gameplay. This creates a narrative stakes layer that many pure-action games lack, though whether the story delivers compelling character work depends on execution the synopsis doesn’t detail.
The real question is audience alignment. This appeals to players who want animation quality and character intimacy but reject the passivity of choice-less visual novels. The combat system’s accessibility (keyboard-and-mouse, skill combinations) suggests it’s not targeting hardcore roguelike veterans, but rather VN readers curious about interactive gameplay.
A work this production-heavy lives or dies on whether the combat loop sustains interest across multiple dungeon runs. If the gameplay matches the animation quality, this justifies its hybrid identity. If combat feels like window dressing around a traditional VN skeleton, the production gloss alone won’t carry it.
Get “A Simple Life with My Unobtrus” on DLsite
English Version → Free TrialJapanese Original
This Week’s Top Rankings:
Related Tags:
R18 | Japanese | Animation | Simulation | Application
📖 How to buy on DLsite — step-by-step guide
💳 Payment methods for overseas buyers (Visa/MC declined?)
Official English version available ↓











