My Best Friend's Sister

About

My Best Friend's Sister is a single player casual role playing game. It was developed by Naughty Sister and was released on January 9, 2026. It received positive reviews from players.

My Best Friend's Sister is a steamy visual novel where a chance encounter with your best friend's alluring sister leads to tempting choices. Navigate a tangled web of secret desires and flirtations that challenge your loyalty and could change your relationships forever. Every decision you make shapes a passionate and unpredictable story.

Genres & Tags

Play Modes

Single-Player

Skip User Reviews

80%

Audience ScoreBased on 157 reviews

story12 positive mentions

gameplay3 negative mentions

High-quality graphics and animations that enhance the visual experience.
Engaging and flirty interactions that provide a fun and humorous atmosphere.
Meaningful choices that influence the storyline and character relationships.

The game is extremely short, often completed in under 30 minutes, leading to feelings of being a demo rather than a full game.
Lack of depth in the story and character development, with many side characters feeling underutilized.
Some players found the gameplay mechanics repetitive and the mini-games pointless.

story
38 mentions Positive Neutral Negative
32%
60%
8%
The game's story is a mixed bag, with some players appreciating its engaging and flirty narrative, well-developed characters, and high-quality visuals, while others criticize it for being too short and lacking depth. Many reviews highlight the choice-driven elements that enhance replayability, but some feel the overall plot is underdeveloped or feels more like a demo than a complete game. Overall, it offers a blend of adult themes and humor, appealing to those who enjoy visual novels, but may disappoint players seeking a more substantial storyline.
- “A captivating story of temptation and loyalty.”
- “Well-made story with flirting, tension, and different outcomes that make replaying it feel worth it.”
- “This game offers an engaging storyline with well-developed characters and smooth gameplay mechanics.”
- “No true story or plot.”
- “Total file only 200mb, finished game very quick and not good story.”
- “Game is bad it's short was done in 15 minutes, it has very short story with one hook up and few clips of people fucking, it's a waste of time and not really a game, only good thing it had was cool graphics.”
graphics
28 mentions Positive Neutral Negative
71%
22%
7%
The graphics in the game have received widespread praise, with many users highlighting their high quality, polished design, and immersive atmosphere. While some noted a preference for different art styles, the overall consensus is that the visuals are top-notch, enhancing the gaming experience significantly. Additionally, the smooth animations and well-designed characters contribute to the game's appeal, making it a standout feature for players.
- “The game's visuals are simply top-notch.”
- “The graphics are polished, providing an immersive experience, while the sound design complements the overall atmosphere.”
- “A game packed with a hot storyline, vivid graphics, and a steamy soundtrack.”
- “This may be so different that it might be Korean or something, but again, I'm not the biggest fan of the art style; it is okay.”
- “What kind of graphics?”
gameplay
7 mentions Positive Neutral Negative
29%
28%
43%
The gameplay is characterized by exciting dialogues and unexpected twists, reminiscent of classic romantic comedies, but is criticized for its brevity and lack of depth, with some players finding the mechanics frustrating and the voice acting subpar. Despite these drawbacks, it offers engaging storytelling and well-developed characters, appealing to its target audience. Overall, while the gameplay has its strengths, it is ultimately limited in scope and duration.
- “The gameplay is exciting and intriguing: dialogues and unexpected twists create a sense of nostalgia for classic romantic comedy plots.”
- “This game offers an engaging storyline with well-developed characters and smooth gameplay mechanics.”
- “The bad: its story is literally 15 minutes long, so basically no story, annoying puzzle wannabe thing but just essentially a scratcher mechanic, the worst voice acting in the history of games where it's the same girl's voice for all the girls in the game; it would be better if they just didn't have it.”
- “While extremely short and light on gameplay, it delivers exactly what its target audience wants.”
- “A masterpiece of 'hard' choices and even harder gameplay.”
music
5 mentions Positive Neutral Negative
60%
40%
The music in the game is highly praised, with users highlighting an excellent soundtrack that enhances the overall experience. The combination of great graphics and engaging sound design contributes to a captivating atmosphere.
- “The music is simply excellent.”
- “Great soundtrack.”
- “Music and voice acting are well done.”
humor
5 mentions Positive Neutral Negative
100%
The game's humor is characterized by playful interactions, suggestive and naughty elements, and outrageous situations that create a wild and entertaining experience. It effectively balances steamy humor with awkward scenarios and bold choices, making for a fun and flirty visual novel that, despite its short duration, leaves a lasting impression.
- “Playful interactions and suggestive humor make this a wild ride from start to finish.”
- “From start to finish, the game delivers outrageous situations, naughty humor, and plenty of surprises.”
- “A fun, flirty visual novel that balances humor and adult storytelling really well.”
atmosphere
4 mentions Positive Neutral Negative
75%
25%
The atmosphere of the game is highly praised for its polished graphics and immersive sound design, creating a captivating experience. Reviewers highlight the heartwarming characters and charming art style, contributing to a chill and engaging ambiance that effectively explores themes of duty and passion.
- “The atmosphere and graphics are top-notch for such a 'research' game!”
- “The graphics are polished, providing an immersive experience, while the sound design complements the overall atmosphere.”
- “Heartwarming characters, lovely art style, and a chill atmosphere.”
monetization
3 mentions Positive Neutral Negative
100%
The monetization of gooner games on Steam is criticized for being primarily focused on quick profits, often resulting in low-quality offerings that feel like cash grabs rather than well-developed experiences.
- “The monetization in this game feels like a blatant cash grab, similar to many other titles on Steam.”
- “The in-game purchases are excessively priced and make it hard to enjoy the game without spending a fortune.”
- “It seems like the developers prioritize profit over player experience, which is disappointing.”
optimization
3 mentions Positive Neutral Negative
100%
The game is well-optimized, running smoothly across various platforms without any major bugs reported by users.
- “The game runs smoothly across platforms; no major bugs.”
- “The optimization is impressive, allowing for seamless gameplay even on lower-end devices.”
- “I appreciate how well the game is optimized; it maintains a steady frame rate without sacrificing graphics quality.”
character development
1 mentions Positive Neutral Negative
100%
The character development is highlighted by high-quality illustrations featuring detailed designs and fluid animations, particularly during intimate and erotic scenes, enhancing the overall depth and engagement with the characters.
replayability
1 mentions Positive Neutral Negative
100%
Users highlight that the game's replayability is high, with various choices and outcomes encouraging multiple playthroughs. The presence of different character paths and unlockable content adds to the overall replay value, making each session feel fresh and engaging.
emotional
1 mentions Positive Neutral Negative
100%
The emotional aspect of the game is highlighted by its heartwarming characters, charming art style, and a relaxing atmosphere, all of which contribute to a deeply engaging and uplifting experience for players.
- “Heartwarming characters, lovely art style, and a chill atmosphere.”