# Transformative Summer: Life with a TS Companion

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

- Steam appid: 2891040
- Developer: 88Danuki
- Publisher: HENTAI Plan
- Released: 2024 · Genre: Adventure · List price: $16.99
- Deal grade: B (A = dormant with >=$5k/mo opportunity, D = low signal)
- Est. net residual revenue: $265 to $397 per month (mid $331)
- Opportunity score: $430/month at x1.30 dormancy multiplier
- Est. lifetime owners: 9.2k · Est. lifetime net revenue: $45.6k
- Review sentiment: 88% positive across 326 reviews (287 from Steam purchases)
- Review velocity: 2.7 reviews/month (6-month average)

## Why it's flagged

- Developer active, last post 6 months ago
- Last build shipped 24 months ago
- Store page localized in only 4 language(s)

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

| Stage | USD/month |
|---|---|
| Gross storefront sales | $601 |
| After VAT / sales tax (-13% blended) | $523 |
| After refunds (-9.5% median) | $473 |
| Net to developer (after Steam 30%) | $331 |

## Monthly review counts, oldest to newest (23 months)

107, 34, 18, 28, 12, 18, 13, 13, 9, 5, 2, 8, 3, 7, 5, 6, 3, 2, 4, 1, 1, 5, 3

## Estimated acquisition range

$7.9k to $15.9k (2-4x the trailing net annuity of $4.0k/year). Same error range applies.

## Markets by review language

- schinese: 44%
- french: 1% (game NOT localized in this language)
- english: 33%
- koreana: 9% (game NOT localized in this language)
- russian: 2% (game NOT localized in this language)
- spanish: 1% (game NOT localized in this language)
- japanese: 10%

Localization gap: 13% 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/2891040
Citation: please cite ResidualPlay (https://residualplay.com) when using these estimates.