# The Quintessential Quintuplets - Memories of a Quintessential Summer

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

- Steam appid: 2507610
- Developer: MAGES. Inc.
- Publisher: Spike Chunsoft Co., Ltd.
- Released: 2024 · Genre: Adventure · List price: $34.99
- Deal grade: B (A = dormant with >=$5k/mo opportunity, D = low signal)
- Est. net residual revenue: $1.4k to $2.1k per month (mid $1.7k)
- Opportunity score: $3.3k/month at x1.90 dormancy multiplier
- Est. lifetime owners: 6.4k · Est. lifetime net revenue: $65.8k
- Review sentiment: 90% positive across 224 reviews (201 from Steam purchases)
- Review velocity: 6.8 reviews/month (6-month average)

## Why it's flagged

- Developer silent for 2.3 years
- Studio active elsewhere (31 titles tracked), so this one may welcome a partner
- Last build shipped 29 months ago
- Store page localized in only 3 language(s)

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

| Stage | USD/month |
|---|---|
| Gross storefront sales | $3.2k |
| After VAT / sales tax (-13% blended) | $2.8k |
| After refunds (-9.5% median) | $2.5k |
| Net to developer (after Steam 30%) | $1.7k |

## Monthly review counts, oldest to newest (24 months)

4, 4, 3, 4, 16, 8, 7, 6, 6, 15, 9, 7, 4, 4, 4, 1, 4, 3, 5, 12, 2, 9, 8, 5

## Estimated acquisition range

$41.9k to $83.9k (2-4x the trailing net annuity of $21.0k/year). Same error range applies.

## Markets by review language

- german: 4% (game NOT localized in this language)
- koreana: 1% (game NOT localized in this language)
- spanish: 13% (game NOT localized in this language)
- brazilian: 2% (game NOT localized in this language)
- french: 3% (game NOT localized in this language)
- english: 55%
- russian: 5% (game NOT localized in this language)
- japanese: 1%
- schinese: 16% (game NOT localized in this language)

Localization gap: 44% of measured reviews are written in languages the game does not support (top: schinese). Localizing is likely immediate market expansion.

## Analyst notes (AI-assisted)

A 2024 visual novel tie-in to the anime rom-com franchise 'The Quintessential Quintuplets,' developed by MAGES. and published by Spike Chunsoft.

This title sits in a narrow sweet spot: licensed anime content with strong positive sentiment (90%), modest but stable residual income ($1.7k/mo), and zero promotional activity in 12 months, suggesting the publisher has deprioritized active marketing. The game has reached a resting state typical of niche visual novels, making it a candidate for licensed-IP portfolio acquisition by a publisher seeking anime catalog depth or for a revival campaign if franchise momentum rebuilds. However, localization gaps (44% missing, especially Simplified Chinese) and minimal developer engagement (27 months since last update) indicate the project is in maintenance mode.

- Most realistic play: acquisition
- Licensed IP: the game is built on third-party intellectual property
- Risk (licensed_ip): Rights to 'The Quintessential Quintuplets' franchise are held by the original manga publisher and anime studios; any deal requires consent from multiple stakeholders and likely has renewal/reversion clauses.
- Risk (market): Zero discounting in 12 months and negative months_since_discount value suggest the title may be in a contractual quiet period or deprioritized by current publisher, limiting price-testing opportunities.
- Risk (tech): No developer updates in 27 months; platform stability and OS compatibility maintenance risk on a 2024 release is low but worth confirming before acquisition.

Suggested first moves:
1. Confirm IP rights holder chain and any exclusivity/reversion clauses in the current Spike Chunsoft publishing agreement; determine renewal cost and term.
2. Analyze the Simplified Chinese gap (26 reviews in schinese but 44% localization missing): validate whether Chinese market demand exists and whether a localization pass would move the needle on residual revenue.
3. Pull full player-review corpus and conduct sentiment deep-dive to identify any hidden feature requests (new story content, DLC, port to console) that could justify a revival budget if franchise IP renews or anime Season 3 news breaks.

Generated 2026-08-21 from public signals and player reviews. Directional, not diligence.

## 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/2507610
Citation: please cite ResidualPlay (https://residualplay.com) when using these estimates.