How Fast PDCA Delivered 67x ROI on TikTok Shop

Launched in 2025 as a game changer for the e-commerce industry, “TikTok Shop” lets users complete purchases inside the app. It holds great potential, but specs change often, and the answer to “how do we run it to maximize sales (GMV)?” keeps shifting.

This case study shows how we achieved 67x ROI (return on investment) by using the latest information gained through our coordination with TikTok (ByteDance) and running fast PDCA across every front.

Case Summary

• Challenge: TikTok Shop, a new feature, had just launched, and no winning pattern for maximizing GMV had been established
• Approach: Reflect the latest information from TikTok (ByteDance) in our tactics in real time, while rapidly testing targeting, budgets, creatives and more across a wide range
• Result: About 20 million impressions in 2 months, with an ad ROI of 67x
• Key point: The speed to immediately catch up on constantly updated platform information and apply it to day-to-day operations

Challenge: Taking On an Unknown Platform

Even for a client with 8 years of live commerce experience, going fully into TikTok Shop, which had only just launched in 2025, came with these challenges.

• No winning pattern: With no precedents, we had to start by feeling our way
• Pace of change: As a new feature, its algorithm and specs were updated frequently, creating a risk of falling behind on information

So in addition to adopting the latest ad products, we built an operating setup that worked with the platform and used cutting-edge information as our weapon.

What We Did: “Ultra-Fast PDCA” Powered by Real-Time Information

1. Securing “Information Freshness” Through Coordination with TikTok

From July to September 2025, we earned Platinum, the highest rank, in the “TikTok for Business SMB Agency Advantage Program.” Thanks to the close coordination with our contacts that only a Platinum partner can have, we caught the latest trends and spec changes that had not yet spread widely, in real time. This gave us a setup to act on well-founded, first-hand information ahead of other companies.

2. Broad Testing and the Search for the Best Answer

We tested every variable comprehensively, including creative, delivery timing and targeting. By speeding up the “hypothesis, test, analysis, improvement” PDCA cycle as far as possible, we identified “patterns that sell” in a short time.

3. “Dynamic Budget and Creative Adjustment” Matched to the Energy of the Live Stream

• Creative: Produce multiple versions of the “opening hook” that is decided in one second, and test how much each contributes to view retention
• Budget allocation: Adjust budgets and bids in real time to match the live stream. Budgets also varied by streamer and time of day

Results: 67x ROI and About 20 Million Impressions in 2 Months

Metric	Result
Ad ROI (return on investment)	67x (JPY 67 in sales for every JPY 1 of ad spend)
Impressions	About 20 million (over 2 months)
Monthly GMV (gross merchandise value)	JPY 200 million or more

Why the Numbers Grew This Much

The success factor was not simply using the tools. We outpaced competitors in the “information war” and in the volume of testing. Information shared directly by the platform meant we could always start close to the right answer when tackling an algorithm that tends to be a black box. And by running broad, fast PDCA without clinging to any single answer, we were able to respond flexibly to changing conditions.

A new platform feature launch is a “bonus time,” but specs change a lot, and with low information sensitivity you end up being tossed around. If your company wants to enter TikTok Shop but lacks the know-how, please get in touch.