# Busty Idol Manor

> ResidualPlay case file: an overlooked Steam game still earning residual revenue. Estimates carry a ±30-50% error range per title.

- Steam appid: 2989760
- Developer: Mikan Batake
- Publisher: Mango Party
- Released: 2025 · Genre: Indie · List price: $10.99
- Deal grade: D (A = dormant with >=$5k/mo opportunity, D = low signal)
- Est. net residual revenue: $295 to $442 per month (mid $369)
- Opportunity score: $369/month at x1.00 dormancy multiplier
- Est. lifetime owners: 2.3k · Est. lifetime net revenue: $8.5k
- Review sentiment: 88% positive across 99 reviews (72 from Steam purchases)
- Review velocity: 4.0 reviews/month (6-month average)

## Why it's flagged

- Developer active, last post 4 months ago
- Last build shipped 4 months ago

## Where a gross dollar goes (monthly, at current velocity)

| Stage | USD/month |
|---|---|
| Gross storefront sales | $669 |
| After VAT / sales tax (-13% blended) | $582 |
| After refunds (-9.5% median) | $527 |
| Net to developer (after Steam 30%) | $369 |

## Monthly review counts, oldest to newest (9 months)

38, 5, 7, 3, 4, 3, 3, 6, 5

## Markets by review language

- japanese: 5%
- schinese: 52%
- english: 20%
- koreana: 17% (game NOT localized in this language)
- russian: 3% (game NOT localized in this language)
- spanish: 3% (game NOT localized in this language)

Localization gap: 23% of measured reviews are written in languages the game does not support (top: koreana). Localizing is likely immediate market expansion.

## Methodology

Units are estimated from Steam-purchase reviews times a release-cohort multiplier (Boxleiter method, 20-75x by year). Revenue uses an effective price (lifetime discounts and regional pricing) and nets out VAT (~13%), refunds (~9.5%) and Steam's 30% cut: roughly 55% of gross reaches the developer.

Source: https://residualplay.com/game/2989760
Citation: please cite ResidualPlay (https://residualplay.com) when using these estimates.