miHoYo Launches AI Desktop Companion App BSide: Olivia Lin on Steam Early Access;

miHoYo Launches AI Desktop Companion App BSide: Olivia Lin on Steam Early Access; Diverse Industry & Player Feedback Emerges

A Non-Game AI Emotional Experience Built Around Virtual Pianist Olivia Lin; Steam Hits “Very Positive” Reviews Amid Mixed User Expectations On July 13, 2026, miHoYo officially launched the free Early Access version of BSide: Olivia Lin on Steam. Distinct from the studio’s traditional action RPG titles, this software is positioned as an AI-powered desktop companion tool centered on music appreciation, creative generation and emotional letter interaction, featuring the original virtual character Olivia Lin (Lin Li), a Shanghai native majoring in piano with a minor in psychology. Up to press, the work holds an 84% positive review rate across over 580 Steam user ratings, earning the official “Very Positive” label, while triggering extensive discussion among game industry analysts, media and players worldwide.

1. Core Product Features of BSide: Olivia Lin

1.1 Character & World Setting

Olivia Lin is fully polished with complete character background: she is a piano student minoring in psychology, obsessed with vinyl records, old films and rainy weather, and carries out personal research themed “Music and Memories”. miHoYo laid nearly one year of pre-launch groundwork for the character, starting with piano performance videos posted on Bilibili back in August 2025 to build a complete living persona before the app’s release. The software creates a quiet high-rise apartment scene with rich environmental details, dynamic light and shadow, reflective window effects and natural micro-actions of the character to deliver immersive “living human” realism.

1.2 Three Core Functional Modules

1. Immersive Piano Music ExperienceThe built-in music library covers classical works, light music and a full range of miHoYo original ACG tracks from Genshin Impact and Honkai: Star Rail. Olivia performs and interprets each piece with unique emotional micro-expressions and body movements. Users can set the character as a permanent live desktop wallpaper to enjoy background piano audio without opening the main program.
2. AI MIDI Custom Video GenerationPlayers may upload self-created MIDI files; the built-in generative AI automatically analyzes melody, rhythm and emotion to generate exclusive animated piano performance videos, serving creators to archive musical inspirations, demo drafts and improvisational fragments. The function is currently restricted to single piano tracks to avoid copyright risks.
3. Letter-Based Emotional AI InteractionThe core emotional gameplay relies on a slow-paced pen pal system. Users can write letters to share moods, creative thoughts and daily feelings, with a daily limit of 3 submissions. Driven by miHoYo self-developed Glossa large language model, Olivia generates personalized, persona-consistent replies based on psychology expertise; occasional video letter feedback with facial and body animations will be triggered for deep emotional resonance. Real-time instant chat is not supported, deliberately creating a mild, distant companion dynamic.

1.3 Operation & Iteration Plan

The Early Access phase will run through the end of 2026. The development team will optimize video generation efficiency, audio-video synchronization, letter dialogue naturalness and scene animation richness based on global user feedback. The official confirms core basic experience will remain permanently free after the full version launches. Note that the app is temporarily unavailable for download in Japan and certain overseas regions at present.

2. Industry Commentary & Professional Analysis

2.1 Strategic Significance for miHoYo’s AI Layout

Multiple gaming and tech media point out BSide: Olivia Lin is miHoYo’s first publicly released consumer-facing AI digital human product, marking a tangible landing of the group’s heavy AI investment strategy. Previously, miHoYo’s co-founder disclosed a plan to invest up to 100 billion RMB in AI research within three years, with subsidiaries Anuttacon and Entropy Research Institute developing vertical large models, LPM expression animation models and real-time digital human rendering technology. Industry analysts believe the app serves dual test purposes:

1. Technical verification: It validates the integration capability of self-developed large language models, real-time 3D rendering and AI content generation; the lifelike character expressions and physical details demonstrate upgraded industrial pipeline after the “YoYo Lumi” test project.
2. Market exploration: It opens a new vertical track of “AI emotional desktop companions”, filling the market gap between pure wallpaper tools and generic AI chatbots by combining music creation and slow emotional communication, and accumulates user data to polish interactive logic for future IP-related AI systems such as the in-game AI assistant Pam from Honkai: Star Rail.

2.2 Industry Divergence on Product Positioning

1. Positive Industry Views Media like GameLook and Game Grape recognize the product’s differentiated positioning: unlike fast-paced instant chat AI companions that cater to superficial interactive demands, BSide: Olivia Linadopts a slow pen-pal framework with deliberate emotional distance. The design breaks the stereotype of AI virtual partners as “service characters” and explores a new mild companion relationship matching modern young people’s demand for quiet emotional sustenance. Its cross-reuse of miHoYo’s original music assets also forms a closed-loop IP operation system.
2. Critical Industry Voices Several tech game media highlight core limitations of the Early Access build: The letter dialogue still carries obvious “AI stiffness” with formulaic reply logic, lacking long-term character memory continuity; limited character animations and scene interactions weaken immersion; the MIDI generation module frequently triggers server congestion errors under peak traffic. Some analysts also question whether the lightweight tool format can form stable long-term user stickiness, unlike complete narrative games.

3. Diverse Player Feedback & Real Experience Sharing

3.1 Positive Player Praise (Core Highlighted Pros)

1. Outstanding rendering and detail performance: Many users comment on the film-level real-time 3D graphics, natural hair and fabric physics, subtle piano-playing body tilts and finger movements, and realistic apartment light and shadow effects, calling the character’s “human-like sense” far superior to similar desktop companion products on Steam.
2. Healing music atmosphere: Fans of miHoYo’s game soundtracks praise the complete official track library and immersive background wallpaper audio, describing the software as an ideal decompression tool for work and study. Independent music creators value the MIDI-to-video function for visualizing composition drafts.
3. Unique mild companion sense: Players appreciate the non-intrusive interaction logic without forced real-time chat. The daily letter limit creates anticipation for replies, and Olivia’s psychology-themed gentle responses effectively relieve daily anxiety and negative emotions.

3.2 Negative Player Complaints & Common Dissatisfactions

1. Positioning expectation gap: A large number of users downloaded expecting a new miHoYo game, only to find a non-game utility tool without main storyline, quests or interactive gameplay, resulting in obvious psychological disappointment.
2. Functional imperfections in Early Access: Frequent audio-video desync when generating MIDI videos, insufficient character idle actions, blurry wallpaper resolution, no automatic audio mute when other media plays, cumbersome miHoYo Pass account binding procedures.
3. AI dialogue deficiencies: Letters produce rigid, template-style replies; some users report inconsistent character logic and lack of unique personality memory across multiple conversations.
4. Regional access restrictions: Overseas players, especially Japanese users, cannot access the Steam store page and cannot download the software directly.

3.3 Neutral Objective User Opinions

Many neutral reviews acknowledge the product’s experimental nature. Players state they understand the Early Access iteration goal of collecting feedback, and look forward to richer animations, deeper dialogue logic and expanded scene content in the full version, holding optimistic attitudes toward its potential as a mature AI companion product after continuous updates.