My Best Friend's Sister overview

Overview

My Best Friend's Sister comes from Naughty Sister and is published by Naughty Sister. It arrived on Steam on Jan 9, 2026, and it sits naturally among Single-player, Steam Achievements, Full controller support, Steam Trading Cards, Custom Volume Controls, Mouse Only Option, Playable without Timed Input, and Save Anytime. SteamPulse tracks it across Windows, macOS, Linux, and Steam so readers get a quick useful snapshot, not just a wall of numbers.

Players and reviews

My Best Friend's Sister's latest SteamPulse observation recorded 0 players at 12 September 2026 - 23:55:17 UTC, with a tracked peak near 220. This peak is the highest value in the available SteamPulse record and may not include activity before tracking began. Player reaction is 71% positive across 410 reviews.

Language and system requirements

My Best Friend's Sister is available in 16 languages including:

3 regional rating boards including dejus, steam germany, and igrs

Sales, recommendations, and streams

My Best Friend's Sister has sold up to 6,780 units and has 436 Steam recommendations. The estimated VGI revenue is $49,356. On Twitch, 0 streamers are live with around 0 total watchers.

My Best Friend's Sister overview details

My Best Friend's Sister combines live player counts with reviews, pricing, platform support, Store metadata, dated player history, media, recent news, and related games.

Steam Store description

What happens when a spark ignites where it absolutely shouldn't? My Best Friend's Sister is a sizzling visual novel that pulls you into a whirlwind of temptation, secret desires, and choices that will echo through your life. It all starts with a typical night out—you, your best friend, and his rowdy crew, drowning in drinks and sharing raunchy stories that would make anyone blush. But the real story begins after the last call. Crashing at your friend's place for the night, you come face-to-face with the one person who won't let you sleep: his younger sister. She's sharp, playful, and impossibly alluring . And tonight, her gaze is full of unspoken promises, her words laced with a daring invitation. She's clearly playing a game, and you're her intended target. The Choice is Yours: Give in to Temptation? Engage in her dangerous flirtation and risk a night of passion that could shatter your most important friendship. Take the High Road? Stay loyal to your friend and try to forget this charged encounter, always wondering "what if..." Every decision you make shapes your relationships, unlocking new scenes, dialogue, and endings. Will you resist? Or will you let desire take control? Key Features: 🔥 A Compelling Story with Spicy Twists Dive into a narrative where every night holds new secrets, and every choice leads to unexpected consequences. A simple sleepover turns into a high-stakes game of seduction and loyalty. 🎨 Stunning, High-Quality Artwork Immerse yourself in a beautifully crafted world. Featuring exquisitely illustrated characters and scenes , every location—f…

SteamPulse editorial summary

My Best Friend's Sister is listed as a game with $5.84 (55% off from $12.99). It supports Windows, macOS, and Linux, belongs to Single-player, Steam Achievements, Full controller support, Steam Trading Cards, Custom Volume Controls, Mouse Only Option, Playable without Timed Input, and Save Anytime, and is associated with Adventure, Casual, RPG, and Simulation. SteamPulse's latest observation records 0 players at 12 September 2026 - 23:55:17 UTC, a tracked peak of 220, and 71% positive reviews.

Content descriptors

The game contains explicit adult content, including erotic scenes, full nudity, and depictions of sexual acts.

Highlighted achievements

Support and legal notes

Real questions answered from SteamPulse data, including live players, monthly momentum, review sentiment, regional audience signals, Twitch activity, and current Steam pricing.