Wrtn’s $72 Million Series C Puts Its OOC Revenue Claim at the Center

The revenue comparison is clearer. A target of more than 200 billion won is at least 4.2 times Wrtn’s reported 2025 revenue of 47.1 billion won. That is a company forecast, not a reported 2026 result.

WRTN promotional image of OOC, its North American AI character-chat service. Source: Seoul Economic Daily.

OOC gives the target an early, limited benchmark

Wrtn says OOC, its North America-focused AI-entertainment platform, exceeded 10 billion won in monthly revenue within three months of its May launch and that overseas revenue has overtaken domestic revenue. If that monthly pace held for a full year, it would correspond to at least 120 billion won—60% of the company’s 200 billion-won revenue threshold. That arithmetic is a run-rate comparison, not a prediction: the retained reports do not disclose retention, customer-acquisition costs, profit margins, or a service-by-service revenue breakdown.

The distinction is important because Wrtn’s free flagship service gives users access to models including GPT, Claude and Gemini, while the company says it earns revenue through OOC and its Korean character-chat service Crack. Crack is branded Kyarafu in Japan and OOC in North America, according to a report. The round is thus financing a consumer AI service business rather than a disclosed plan to build a foundation model.

There is evidence that the category has purchasing activity beyond Wrtn’s own claims, although it is not a like-for-like measure of Wrtn’s performance. A report citing Sensor Tower said AI-companion apps generated $150 million in in-app-purchase revenue globally in the first quarter of 2026, more than 12 times the first-quarter 2023 figure. The report does not supply Wrtn’s share, users, pricing, or costs, so it cannot show whether OOC’s reported revenue is repeatable.

Youth safeguards remain a plan, not an outcome

Wrtn says about 10% of Crack users in South Korea are teenagers. It is considering time-use limits, stronger parental-consent procedures and lower spending caps for younger users. The company also says it launched a user committee in July, including specialists in AI ethics and philosophy, cognition and psychology, and law, and is participating in work on self-regulatory guidelines for AI character chatbots.

Those actions are relevant to a product designed for repeated interaction, but the retained reports give no implementation date or evidence of their effect. Lee Se-young, Wrtn’s chief executive, said in the company release that the funding would support global expansion and service development while the company pursues growth as a safe and trustworthy AI-service provider.

What will test the Series C thesis

The next useful evidence is not another currency conversion of the valuation. Wrtn will need to show whether OOC’s early monthly sales persist and how much of the 2026 revenue target comes from each market and service. A comparable update would also need to say when the proposed youth-protection changes at Crack take effect and how they are enforced.

Until those results are disclosed, the funding round supports a narrower conclusion: investors have backed a company with a reported early overseas revenue signal and a much larger forecast. It does not yet establish the durability, economics or safeguards of the growth model.

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